Quencher H2.0 FlowState Stainless Steel Vacuum Insulated Tumbler with Lid and Straw Features Double-wall vacuum insulation helps keep water cold 11 hours and iced 2 days BPA-free, 90% recycled 18/8 stainless steel Recycled stainless steel icon inside the tumbler FlowState screw-on, rotating lid features 3 positions: a full-cover top, a drink opening, and a straw opening to resist splashes while holding the reusable straw in place The ergonomic handle includes comfort-grip inserts for easy carrying Narrow base fits just about any car cup holder (base diameter: 3.1 in.)