Fully insulated beverage cooler provides lasting cold and ice retention. Extra thick MaXCold PU Foam Insulated Cool Riser Technology helps improve cooling performance by elevating base to reduce thermal conduction 304 Food grade stainless steel exterior, BPA free plastic interior liner Over molded TPR comfort Sport Grip Handle. Leakproof, threaded lid with Twist-N-Chug spout Built-in coaster on bottom. Extra large opening for easy cleaning