Bodum Insulated Plastic Travel Mug, 0.45-Liter, 15-Ounce, Green 15-ounce capacity, perfect for any beverage on the go Made of double-wall BPA-free plastic and keeps beverages hot or cold for several hours Non-slip silicone grip is available in an array of bold colors Spill resistant lid ; Dishwasher safe The lid includes a silicone gasket for tight seal. The flap on top of the lid is not spill proof