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Close-up of The Darling Effect’s White Tumbler Silicone Boot on a pale cream tumbler, showing its no-slip protection and sleek two-toned design.
Tumbler Boots
A hand holds The Darling Effect’s cream tumbler with a Natural Beige Tumbler Fanny Pack attached to its side and a white straw extending from the lid.
Tumbler Fanny Packs
The Darling Effect Check Peach 40 oz Tumbler Straw Set features eco-friendly, reusable straws with a pink and yellow checkered pattern, packaged in a white box—perfect for your tumbler straw collection.
40 oz Tumbler Straw Set
The Periwinkle 40 oz Lifestyle Flip Straw Lid by the-darling-effect features a round, clear lid with a purple flip top and straw. Leak-resistant and perfect for hydration on the go, it fits 40 oz tumblers and comes in branded packaging.
40oz Lifestyle Flip Straw Lids
The Darling Effect's Classic Cowgirl Straw Topper Set includes two clear reusable straws with silicone toppers: pink cowboy boots with hearts and stars, and a "y'all" design in yellow and pink—fun accessories to add personality to any drink.
Straw Topper Sets
The Glamour Tumbler Charm by the-darling-effect features a gold chain bracelet with three charms—a pink bow, black perfume bottle, and pearl heart—on a cream stand, perfect for pairing with your favorite tumbler accessories.
Tumbler Charms
A white straw peeks out from a Stanley Quencher 2.0 lid adorned with The Darling Effect's Ghost Party Tumbler Lid Tag—cute ghost charms that make perfect personalized tumbler accessories, set on a pink floral background.
Tumbler Lid Tags
A large cup with a lid and straw sits in The Darling Effect’s Beyond Blooms Blue Green Tumbler Sling, a blue floral-patterned neoprene holder with matching adjustable strap, set on a light surface against a neutral background.
Tumbler Slings
The-darling-effect Coquette Charm Tumbler Bracelet Stack features pink, white, and gold beaded bracelets with a gold bow charm—perfect as chic tumbler accessories or a stylish bracelet stack.
Tumbler Bracelet Stacks
Sale
A hand holds a bestselling white tumbler with a straw, featuring the-darling-effect's Secret Garden Pink Tumbler Fanny Pack in pink floral print with pink, orange, and yellow flowers and gold zipper hardware attached to the front.

Secret Garden Pink Tumbler Fanny Pack

$6.60
$6.60
$22.00
Sale
The-darling-effect’s Cowgirl Tumbler Charm—a gold chain bracelet with enamel charms (pink heart, bright pink star, white cowboy boot)—pairs perfectly with your favorite drinkware accessories for a fun, coordinated look.

Cowgirl Tumbler Charm

$5.00
$5.00
$10.00
Sale
The-darling-effect Endless Daydream Navy Tumbler Silicone Boot is a white cylinder with a navy blue floral-patterned base, offering tumbler protection and helping prevent dents.

Endless Daydream Navy Tumbler Silicone Boot

$3.60
$3.60
$12.00
Sale
The-darling-effect's Bouquet Beauty Sage Tumbler Sling includes a tall tumbler with lid, straw, and a pastel floral sleeve with orange, yellow, and white flowers. The sling has a pocket, snap button, and adjustable strap for hands-free carrying.

Bouquet Beauty Sage Tumbler Sling

$10.20
$10.20
$34.00
Sale
A hand holds a white insulated tumbler with The Darling Effect's Pretty Posies Plum Tumbler Fanny Pack, featuring a water-resistant burgundy material and a small floral pattern.

Pretty Posies Plum Tumbler Fanny Pack

$6.60
$6.60
$22.00
Sale
The Darling Effect Blush Tumbler Sling holds a pink handled tumbler with straw in a neoprene bag featuring a pocket, gold snap closure, adjustable strap, and orange and white floral pattern.

Blush Tumbler Sling

$10.20
$10.20
$34.00
Sale
The Darling Effect’s Check Blue Tumbler Silicone Boot is a white cylindrical bowl with blue, green, and gray checkered squares, featuring a protective silicone boot.

Check Blue Tumbler Silicone Boot

$3.60
$3.60
$12.00
Sale
The-darling-effect’s Sunny Style Straw Topper Set includes two reusable clear plastic straws with colorful silicone toppers—pink heart-shaped sunglasses and pink flip-flops with white flowers—and comes with silicone bands to attach the charms.

Sunny Style Straw Topper Set

$5.00
$5.00
$9.00
Sale
The Island Escape Straw Topper Set by the-darling-effect includes two clear reusable straws with leak-resistant silicone toppers—a green palm tree and a blue seashell—each attached with matching loops, ideal for brightening up any drink.

Island Escape Straw Topper Set

$5.00
$5.00
$9.00
Sale
The Darling Effect’s Periwinkle Tumbler Sling holds a lavender tumbler with white lid and straw in a matching neoprene sleeve with side pocket, an adjustable pink strap with purple and white flowers, gold clasps, and an off-white background.

Periwinkle Tumbler Sling

$10.20
$10.20
$34.00
Sale
The Cherry Tumbler Charm by the-darling-effect is a beaded bracelet with gold accents, pearl-like beads, daisy and red heart charms, plus a gold cherry charm—perfect as tumbler accessories and shown draped over a white cup.

Cherry Tumbler Charm

$5.00
$5.00
$10.00
Sale
A hand holds a large white tumbler with a straw, accessorized by The Darling Effect’s Rose Garden Tumbler Fanny Pack—a pink pouch with a red and green floral print and gold zipper. The background is a plain, light beige color.

Rose Garden Tumbler Fanny Pack

$6.60
$6.60
$22.00
Add seaside flair to your drinkware with the-darling-effect's Under the Sea Tumbler Charm featuring pearl beads and gold starfish, seashell, and conch shell charms—perfect as unique tumbler accessories.

Under the Sea Tumbler Charm

$10.00
$10.00
$10.00
Sale
The Darling Effect's Tan Tumbler Sling features a beige insulated carrier with an adjustable strap, handle, detachable pouch, and brown and white floral accents. It holds a white cup with lid and straw, shown against a light background.

Tan Tumbler Sling

$10.20
$10.20
$34.00
Sale
Add festive flair to your tumbler with The Darling Effect’s Santa Tumbler Lid Tag—a white-lidded accessory featuring a pink and white checkered straw topper with a cartoon sheep sporting a red mane and rosy cheeks.

Santa Tumbler Lid Tag

$3.00
$3.00
$10.00
Sale
The Darling Effect's Daisy Craze Hot Pink Tumbler Lid Tag features a pink, red, and white floral design. Packaged with "ACCESSORIZE YOUR TUMBLER" and a cup illustration, it fits Stanley Quencher 2.0 lids—perfect for personalizing your tumbler!.

Daisy Craze Hot Pink Tumbler Lid Tag

$3.00
$3.00
$10.00
Sale
The Darling Effect's Home for the Holidays Tumbler Charm features a beaded bracelet with white and gold beads and festive charms—a reindeer, Christmas stocking, and green wreath—perfect for gifting, shown on a white cylinder.

Home for the Holidays Tumbler Charm

$5.00
$5.00
$10.00
Sale
The On Cloud Nine Tumbler Bracelet Stack by the-darling-effect features white pearls, gold beads, blue and clear crystals, plus a heart charm—displayed on a white stand. Perfect accessory for your 40 oz tumbler!.

On Cloud Nine Tumbler Bracelet Stack

$7.00
$7.00
$14.00
Sale
A close-up of The Darling Effect Check Brown Tumbler Silicone Boot, a white cylindrical tumbler accessory with a checkered beige, orange, brown, and white design, shown on a light surface for extra tumbler protection.

Check Brown Tumbler Silicone Boot

$3.60
$3.60
$12.00
Sale
The Darling Effect’s Blushing Beauty Tumbler Charm, featuring a gold chain with a pink teardrop gem and pink-purple enamel bow, is shown hanging on a white cylindrical stand against a beige background.

Blushing Beauty Tumbler Charm

$5.00
$5.00
$10.00
Sale
A tall cup with a lid and straw rests in the-darling-effect's Petal Parade Blue Tumbler Sling—a light blue floral carrier with an adjustable strap and front pocket—providing a stylish, hands-free way to carry your drink against a cream background.

Petal Parade Blue Tumbler Sling

$10.20
$10.20
$34.00
Sale
A hand with light pink nail polish holds a beige tumbler with a built-in straw, featuring the-darling-effect’s Secret Garden Blue Tumbler Fanny Pack—a pastel blue floral, water resistant accessory with a gold zipper.

Secret Garden Blue Tumbler Fanny Pack

$6.60
$6.60
$22.00
Sale
A hand holds a large white tumbler with a handle and straw, featuring the-darling-effect's Bouquet Beauty Sage Tumbler Fanny Pack—a water-resistant zippered pouch with an orange, yellow, and white floral pattern for hands-free convenience.

Bouquet Beauty Sage Tumbler Fanny Pack

$6.60
$6.60
$22.00
Sale
The Endless Daydream Cream Tumbler Sling by the-darling-effect features a colorful floral pattern, adjustable strap, gold hardware, small pocket, and holds a tumbler with lid and straw—perfect for hands-free carrying.

Endless Daydream Cream Tumbler Sling

$10.20
$10.20
$34.00
Sale
A hand holds a large white tumbler with a handle and straw, featuring the-darling-effect’s Pickleball Party Tumbler Fanny Pack—a water-resistant accessory with colorful pickleball paddle patterns on pink. Nails are painted pale pink.

Pickleball Party Tumbler Fanny Pack

$6.60
$6.60
$22.00
Sale
The Darling Effect Teacher Tumbler Lid Tag features a blue and white checkered design with "teacher" in white. Ideal for personalizing Stanley Quencher 2.0 lids or matching tumbler accessories. Packaging reads: ACCESSORIZE YOUR TUMBLER and the darling effect.

Teacher Tumbler Lid Tag

$3.00
$3.00
$10.00
Sale
The-darling-effect’s Champagne Bliss Tumbler Bracelet Stack features gold, white, and pale pink beads with a gold flower charm—ideal for accessorizing your 40 oz tumbler or pairing with your favorite tumbler boot.

Champagne Bliss Tumbler Bracelet Stack

$7.00
$7.00
$14.00
The Darling Effect’s Seaside Sparkle Tumbler Charm features pearls, gold beads, and three ocean charms—blue teardrop crystal, gold crab, and scallop shell with pearl—perfect for personalizing your favorite drinkware. Shown on a white mannequin wrist.

Seaside Sparkle Tumbler Charm

$10.00
$10.00
$10.00
Sale
The Darling Effect’s Daisy Craze Peach Tumbler Sling, a floral-patterned tumbler with straw, sits in its matching neoprene carrier featuring an adjustable strap and side pocket, displayed on a light surface against a neutral background.

Daisy Craze Peach Tumbler Sling

$10.20
$10.20
$34.00
Sale
The Darling Daisy Purple Tumbler Lid Tag by The Darling Effect adds purple and lavender flower flair to your tumbler lid, fits like popular Stanley Quencher lids, prevents splashes, and features a straw hole for easy sipping.

Darling Daisy Purple Tumbler Lid Tag

$3.00
$3.00
$10.00
Sale
The-darling-effect’s Bouquet Beauty Sage Tumbler Silicone Boot features a light-colored cylindrical tumbler with a green silicone boot and a retro floral pattern of orange, pink, and white flowers for added protection against dents.

Bouquet Beauty Sage Tumbler Silicone Boot

$3.60
$3.60
$12.00
Sale
The Darling Effect's Santa's Workshop Tumbler Charm features a beaded bracelet with gold, pearl, and white beads plus gingerbread man, Santa Claus, and Christmas tree charms hanging on a white mug handle.

Santa's Workshop Tumbler Charm

$5.00
$5.00
$10.00
Sale
The Petal Parade Pink Tumbler Sling by the-darling-effect holds a large pink tumbler with a handle, white lid, and straw, featuring pastel pink and colorful floral designs, an adjustable strap, and a small pocket for hands-free use.

Petal Parade Pink Tumbler Sling

$10.20
$10.20
$34.00
Sale
A hand holds the-darling-effect’s Endless Daydream Cream Tumbler Fanny Pack—a stylish cream water bottle with a handle and a white pouch featuring pink and orange floral prints. The person has light-colored nail polish.

Endless Daydream Cream Tumbler Fanny Pack

$6.60
$6.60
$22.00
Sale
The Darling Effect Black Tumbler Sling holds a large clear tumbler with white lid and straw, featuring a pocket, detachable strap with white floral design and gold hardware. Shown on a white surface against a beige background.

Black Tumbler Sling

$10.20
$10.20
$34.00
Sale
A hand holds a large white tumbler with a straw, featuring a stylish fanny pack-style navy blue floral zip pouch attached to the handle. The pouch has a gold zipper and a round gold logo.

Endless Daydream Navy Tumbler Fanny Pack

$6.60
$6.60
$22.00
Sale
The Secret Garden Pink Tumbler Lid Tag by the-darling-effect features pink, orange, and yellow flowers. Part of our acrylic tumbler accessories, it’s packaged in a clear sleeve labeled Accessorize Your Tumbler and The Darling Effect.

Secret Garden Pink Tumbler Lid Tag

$3.00
$3.00
$10.00
Sale
The Darling Effect’s Easter Bunny Tumbler Lid Tag features a mint-green rectangle with a cute white rabbit, flower, and green leaf—made to personalize your white acrylic tumbler with lid and straw for a charming touch.

Easter Bunny Tumbler Lid Tag

$3.00
$3.00
$10.00
Sale
The Darling Effect Jolly Santa Straw Topper Set includes leak-resistant silicone straw toppers shaped like a Santa face and a red gift box with a bow, packaged and displayed on a light tan surface.

Jolly Santa Straw Topper Set

$5.00
$5.00
$8.00
Sale
The Darling Effect’s Wild About You Navy Tumbler Lid Tag, featuring orange, pink, and white floral designs, is displayed on white packaging—an ideal fall accessory for your tumbler.

Wild About You Navy Tumbler Lid Tag

$3.00
$3.00
$10.00
Sale
The Darling Effect's Hugs & Kisses Straw Topper Set includes two pink heart-shaped silicone toppers—one with flowers, one with "XOXO." Leak-resistant and ideal for Valentine’s Day, all in signature packaging.

Hugs & Kisses Straw Topper Set

$5.00
$5.00
$8.00
Sale
The Darling Effect’s O Christmas Tree Tumbler Bracelet Stack in gold, red, green, and white—featuring a Christmas tree charm—is styled on a white mug with green base against a neutral beige background. Perfect for pairing with tumbler accessories.

O Christmas Tree Tumbler Bracelet Stack

$7.00
$7.00
$14.00
Sale
The Darling Effect's Pencil Me In Straw Topper Set includes two reusable clear straws with pastel loops and silicone toppers—a yellow pencil with pink eraser and a stack of books with an apple.

Pencil Me In Straw Topper Set

$5.00
$5.00
$9.00
Sale
The Darling Effect Nurse Tumbler Lid Tag is a pink checkered acrylic tag with "nurse" in bold white, cute beverage art, and fits Stanley Quencher 2.0 lids. Packaged on a branded tumbler lid tag card.

Nurse Tumbler Lid Tag

$3.00
$3.00
$10.00
Sale
The Bookish Girly Straw Topper Set by the-darling-effect features two clear straws with pastel silicone toppers: an orange bow with "Bookish Girly" text and a yellow present with pink bow—fun drinkware accessories for any occasion.

Bookish Girly Straw Topper Set

$5.00
$5.00
$9.00
Sale
The Oh So Fancy Blue Tumbler Fanny Pack by the-darling-effect, featuring a floral and bow design, is attached to a white travel mug held by a hand with light pink nail polish.

Oh So Fancy Blue Tumbler Fanny Pack

$6.60
$6.60
$22.00
Sale
Close-up of The Darling Effect's Charming Gingham Tumbler Lid Tag on a travel mug, adorned with a pink checkered ribbon, red and pink heart charms, and a visible white straw—perfect for customizing your Stanley Quencher.

Charming Gingham Tumbler Lid Tag

$3.00
$3.00
$10.00
Sale
The Darling Effect Bride Tumbler Lid Tag is a pink checkered acrylic accessory featuring "bride" in white, perfect for Stanley Quencher 2.0 lids or as a name plate.

Bride Tumbler Lid Tag

$3.00
$3.00
$10.00