Onyx Tumbler with Lid

18oz
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Embodying translucent hues in the purest form, the Stone Collection emulates the most coveted semi-precious gems. Featured in a durable stone-like texture for added grip, the muted color palette simulates the raw delicacy of the minerals.

  • S'well Tumblers feature a Slide-Open Lid and Therma-S'well® Technology with triple-layered, vacuum-insulated construction, designed to keep beverages colder or hotter, longer than all the rest.
  • The pop-on, Slide-Open Lid creates a splash-proof experience.
  • The Tumbler with Slide-Open Lid features a wide mouth and thin rim for easy drinking. Ice cubes fit effortlessly inside. The lid makes it ideal for use at home or on the go.
  • Made from 18/8, food-grade stainless steel.

  • Offers a condensation-free exterior that won’t sweat in your hands or on the table.
  • The 10oz Tumbler holds juice, wine, cocktails and more.
  • The 18oz Tumbler holds your favorite beer or glass of iced tea. Keeps beverages cold for 12 hours and hot for 4.
  • Customize your own essential set by pairing Tumblers with a 25oz S'well Bottle or a 40oz Roamer; mix and match your favorite styles to create a unique set.
  • BPA/BPS-free and reusable.
  • Top-rack, dishwasher safe.

Dimensions
18oz = 3.46"D x 3.35"W x 6.26"H, 0.45lbs
Material
High-Grade 18/8 Stainless Steel. BPA/BPS-free and reusable. Triple-layered for maximum insulation, leaving no condensation on the exterior.
Care
Top-rack dishwasher safe. S'well recommends handwashing with warm soapy water and air drying with the lid removed. Use of a dishwasher may deteriorate the finish of this product, which may not be covered under any warranties. S'well also recommends separating the slider and gasket from the lid when cleaning to extend the life of the lid. Tumblers are splash-proof when the lid is closed; they are not designed to be leak-proof. Please keep tumblers in an upright position when contents are within.

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Therma-S’well™ Technology
Therma-S’well™ Technology

Insulated to keep beverages cold or hot.

Eco-Friendly
Eco-Friendly

BPA-free and reusable.

Triple-Layered
Triple-Layered

Vacuum-insulated, high-grade 18/8 stainless steel.

No Sweat
No Sweat

Condensation-free grip.

Frequently Asked Questions
How does my S’well work?
S'well bottles, Travelers, and Roamers will keep your beverage cold for up to 24 hours or hot for up to 12. Thanks to our triple-walled ThermaS'well™ insulation technology, which includes a copper layer, S'well products are able to keep any liquid hot or cold for long stretches of time. See more.
Will my S’well product sweat?
No way! Thanks to S’well’s triple-walled insulation, which includes a copper layer, the outside of your S’well will stay completely condensation-free. See more.
Can I fly with my S'well?
Prepare for take off! Your S’well is airport security friendly, as long as you remember to empty out what’s inside first. See more.
Does S'well sell different caps & lids?
Designed to accommodate your active and on-the-go lifestyle, S’well has released a variety of accessories sold separately. See more.
What is the warranty on S’well products?
S’well offers a one-year limited warranty on all bottles purchased from swell.com and authorized retailers with proof of purchase. This warranty covers any manufacturer defects, such as thermal performance issues, base becoming detached from the bottle and non-polished surfaces. See more.
Still have questions? Go here.