Keeps drinks cold for 10 hours Drinks stay iced for 2 days Created with recycled 18/8 stainless-steel Double-wall vacuum insulation AeroLight featherweight technology uses spun steel that is 33% lighter than standard stainless-steel drinkware Leakproof Fast Flow Lid is designed for easy pouring, drinking, and cleaning Easy-carry handle with cap holder BPA-free Dishwasher safe Compatible with most cupholders