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A smiling woman in a denim jacket holds the-darling-effect Endless Daydream Cream 40 oz Lifestyle Flip Straw Tumbler, adjusting its lid with one hand while standing before a plain beige background.
Tumblers
A plastic cup of iced coffee with a clear lid is wrapped in The Darling Effect's Large-Sicily Stripes Teal Sip Savvy Drink Sleeve, featuring blue and teal stripes, and sits on a plain light-colored surface with a neutral background.
Sip Savvy Drink Sleeves
The Darling Effect's Mahjong Tiles 11 oz Cozy Cute Ceramic Mug features a golden handle and vibrant playing card-style fruit, veggie, bamboo, and bird designs—perfect for coffee or tea on a plain light background.
Mugs
The Darling Effect Pink Color Glass Round Cup with pink daisy details, a matching pink lid, and a glass straw rests on a white surface against a beige background.
Glassware
A hand places round sunglasses into The Darling Effect's Dusty Blush Tumbler Fanny Pack, shown attached to a stylish white tumbler with straw and handle, all set against a light beige background.
Lids & Accessories
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
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
The Darling Effect’s Everbloom Forest Green 6 oz Lil' Bitty Bottle features a light blue handle and lid, a green body with white and yellow florals, and is shown on a white surface against a beige background.

Everbloom Forest Green 6 oz Lil' Bitty Bottle

$24.00
$24.00
$24.00
Sale
The Darling Effect’s Ciao Bella 6 oz Lil' Bitty Bottle, featuring a light blue handle, yellow lid, and bold fruit and abstract designs over beige, is the ideal stylish hydration companion for travel and adventures.

Ciao Bella 6 oz Lil' Bitty Bottle

$12.00
$12.00
$24.00
Sale
The-darling-effect's Elf Sized 2 oz Tiny Tumbler in white features "elf sized" in colorful bubble letters on the front and includes a clear lid and metal straw.

Elf Sized 2 oz Tiny Tumbler

$10.00
$10.00
$16.00
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 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 Darling Effect Citrus Kiwi 20 oz Glass features clear glass with a bamboo lid and straw, ideal for serving iced coffee or refreshing drinks with water, ice, kiwi slices, and green leaves in style.

Citrus Kiwi 20 oz Glass

$11.00
$11.00
$22.00
Sale
The Darling Effect Ghost Party 20 oz Lifestyle Flip Straw Tumbler is a large fall mug with a handle, light cream background, pastel ghosts and pumpkins, clear lid, pink straw, and triple-walled insulation.

Ghost Party 20 oz Lifestyle Flip Straw Tumbler

$23.80
$23.80
$34.00
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 Darling Effect’s Strawberry Fields 6 oz Lil' Bitty Bottle features a pink petite design with a red handle, strawberry and green leaf accents—an adorable hydration companion for travel, shown on a white surface against a light beige background.

Strawberry Fields 6 oz Lil' Bitty Bottle

$16.80
$16.80
$24.00
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
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
Sip in style with The Darling Effect’s Lobster 2 oz Tiny Tumbler, featuring blue and white stripes, a red lobster emblem, and a metal straw.

Lobster 2 oz Tiny Tumbler

$10.00
$10.00
$16.00
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
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 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
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
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
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 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
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
A hand holds The Darling Effect's Darling Daisy Peach 20 oz Mini On-The-Go tumbler with a handle, straw, and orange-pink flower patterns. "the darling effect" is printed on this insulated tumbler against a light beige background.

Darling Daisy Peach 20 oz Mini On-The-Go

$17.00
$17.00
$34.00
Sale
The Darling Effect’s Happy Harvest Tumbler Charm features a gold chain with sunflower, orange heart, and pumpkin charms—an ideal cream-colored accessory to bring fall vibes to your tumbler.

Happy Harvest 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
The Darling Effect’s Oh So Fancy Pink 6 oz Lil' Bitty Bottle stands upright on a white surface with floral and bow designs, gold “A little perfect” text, and a textured handle—an ideal travel companion for on-the-go hydration.

Oh So Fancy Pink 6 oz Lil' Bitty Bottle

$24.00
$24.00
$24.00
Sale
The Bow Blue 2 oz Tiny Tumbler by the-darling-effect is a cute light blue mini cup with a clear lid, metal straw, white polka dots, and a blue bow.

Bow Blue 2 oz Tiny Tumbler

$10.00
$10.00
$16.00
Two plastic drinks, one tall and one short with clear lids, both wrapped in pink Sugar Rush Sip Savvy Drink Sleeves by The Darling Effect, featuring candy canes and peppermints on a light background.

Sugar Rush Sip Savvy Drink Sleeve

from $9.00
from $9.00
$9.00
The Darling Effect Sicily Stripes Pink 20 oz Lifestyle Flip Straw Tumbler, featuring vertical red and white stripes, a pink handle, and brown lid, sits on a white surface. This insulated stainless steel tumbler keeps drinks perfectly hot or cold.

Sicily Stripes Pink 20 oz Lifestyle Flip Straw Tumbler

$36.00
$36.00
$36.00
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
Sold Out
The-darling-effect’s Mama Peach 40 oz Lifestyle Flip Straw Tumbler, a tall light pink cup with small white flowers, “mama” text, and a right-side handle, sits on a white surface against a beige background.

Mama Peach 40 oz Lifestyle Flip Straw Tumbler

$22.00
$22.00
$44.00
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
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 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
The Darling Effect Sicily Stripes Teal 20 oz Lifestyle Flip Straw Tumbler, featuring vertical green and white stripes, a light blue handle and lid, sits on a white surface. This insulated tumbler keeps drinks hot or cold for hours.

Sicily Stripes Teal 20 oz Lifestyle Flip Straw Tumbler

$36.00
$36.00
$36.00
Sale
The Darling Effect’s Coastal Cove 6 oz Lil' Bitty Bottle features a light green floral design, pink accents, and a mint green handle—perfect for staying hydrated while you travel.

Coastal Cove 6 oz Lil' Bitty Bottle

$12.00
$12.00
$24.00
The Darling Effect’s Sicily Stripes Pink 6 oz Lil’ Bitty Bottle features red and pink stripes, a pink handle, and a yellow logo—your ideal travel hydration companion that pops on any white surface with a beige backdrop.

Sicily Stripes Pink 6 oz Lil' Bitty Bottle

$24.00
$24.00
$24.00
Sale
The Darling Effect's Italian Summer 2 oz Tiny Tumbler features a cream-colored design with a clear lid, metal straw, and vibrant illustrations of tomatoes, oranges, candy, bows, strawberries, and seashells on a light beige background.

Italian Summer 2 oz Tiny Tumbler

$10.00
$10.00
$16.00
Sale
A hand holds a large cream tumbler with a handle, featuring The Darling Effect's Dear Santa Tumbler Fanny Pack—a pink zippered pouch with Santa faces and bows—attached. The background is plain light beige.

Dear Santa Tumbler Fanny Pack

$6.60
$6.60
$22.00
Sale
The Darling Effect’s Strawberry Fields 14 oz Insulated Mug features a strawberry pattern, light pink handle, and double-wall insulation to keep drinks hot or cold.

Strawberry Fields 14 oz Insulated Mug

$21.00
$21.00
$30.00
Sale
The Checkmate Tumbler Charm by the-darling-effect features a gold chain bracelet with three charms—a black flower, checkered heart, and black bow—ideal as stylish tumbler accessories or unique personalized tumbler charms.

Checkmate 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
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
Sold Out
The Darling Effect Book Shelfie 6 oz Lil' Bitty Bottle features a cream petite design with a green lid and handle, decorated with colorful books and plants on shelves—a perfect travel companion for book lovers.

Book Shelfie 6 oz Lil' Bitty Bottle

$24.00
$24.00
$24.00
Sale
The Darling Effect's Ghost Party 2 oz Tiny Tumbler features a cream background with orange, pink, and white ghosts, pumpkins, and candy corn plus a metal straw—perfect for Halloween!.

Ghost Party 2 oz Tiny Tumbler

$10.00
$10.00
$16.00