· SIZE & MATERIAL: This zak! tumbler holds 40 ounces and measures 4.29 by 5.77 inches wide and 12.1 inches tall. It's made with food-grade, 18/8 stainless steel, which is both sturdy and BPA free, and everything is top rack dishwasher safe for an easy clean.· VACUUM INSULATED: The travel tumbler has vacuum insulation to keep drinks cold for hours, and double-wall construction that stops condensation from forming on the outside. No more messy water rings!· SILICONE STRAW: The silicone straw lets you sip in comfort with easy access to water, and it has a seal around the lid to help stop spills.· UNIQUE ARTWORK: The raised, 3D printed design featuring Hello Kitty adds texture to the water bottle for a tactile grip.· LIFESTYLE FRIENDLY: zak! designs tumblers make hydration fun! This stylish Hello Kitty tumbler is perfect for any fan and an exciting addition to the daily routine. The drinkware is fully reusable—no more disposable cups—and great for staying hydrated all day long.