(3 pack) 25 fl oz Double Wall Stainless Steel Slim Tumbler, Slider lid

DOUBLE WALL. The stainless steel tumbler has two layers of walls to keep the temperature inside perfectly. SLIDER LID. The tight clip seal on the slider lid helps prevent splashing and spilling. EASY TO DRINK. Slider lid is easy to use, allowing you to enjoy drinking anytime. DURABLE. The 25oz tumbler is made of stainless steel and has double walls which apparently is a durable tumbler. VACUUM INSULATED: This tumbler can keep your drink cold for hours relying on the double-walled, insulated design.