DescriptionVacuum insulation keep drinks cold 5 hours, iced 30 hours or hot 4 hours. Sweat-free exterior. Multipurpose lid with rotating cover provides versatility: Large opening for chugging, small opening optimized for a straw, covered position resists spills and splashes. Reusable straw included. 18/8 stainless steel won't rust; naturally BPA-free. Dishwasher safe. Lid disassembles for deep cleaning. Car cup compatible. Complies with Prop 65. 3.6" L x 3.6" W x 8.6" H.