Uniquely Quality Logo Product, the Twister Tumbler was created to complement the popular Twister Mug. Large 16-ounce capacity. Lustrous, high gloss finish. Double-wall insulted. Spill-resistant, slider lid features a thumb-slide for convenient opening and closing. Fits most auto cup holders. Top-rack dishwasher safe. Made in the USA. FDA-Approved Biodegradable construction. Our New Evolve drinkware collection biodegrades in 1 to 5 years in managed landfills.