Stainless steel car tumbler has round and smooth cup mouth, wide mouth design, safe and comfortable touch.The cup cover of cold drink cup is made of high quality PP material, with leak proof lock design.The bottom of the non slip cup is thickened and firmly designed, and it can be placed. Vacuum insulation: classic tumblers are double walled and vacuum insulated, by the pool, at the office, in your car, wherever - tumbler keeps your favorite drinks icy cold or piping hot for hours, you get additional thermal control . Stainless steel car tumbler has round and smooth cup mouth, wide mouth design, safe and comfortable touch. The cup cover of cold drink cup is made of high quality PP material, with leak proof lock design. The bottom of the non slip cup is thickened and firmly designed, and it can be placed on the table stably and not easy to slip.Stainless steel water cup with heat resistance and cold resistance is not rusty and durable. Coffee mug has double layer anti scald design, is not hot, even boiled water pouring in will not feel hot. Specification: Material: Stainless Steel Insulation Performance: 8-10h Capacity: 30oz(900ml)/ 20oz(600ml) Color: Stainless Steel, Golden Size: 20 x 10 x 7.2 cm/ 18 x 8.8 x 6.8cm Package Included: 1 x Stainless Steel Car Cup