The tumbler with straw lid is made of premium 18/8 stainless steel, double wall vacuum insulation keeps drinks cold for up to 8 hours and hot for up to 6 hours Tapered shape designed slim-base makes the tumbler easily fit in most cup holders. Non-sweat exterior prevents condensation and keeps your hands dry and provides a non slip grip Include 2 straws and an extra straw seal. 2-in-1 screw-on lid is spill-proof,you can sip hot drinks directly with the flip lid or use the straw for cold beverages while on the go without worrying about any spills or messes The tumblers and the accessories are BPA free and are safe to clean in a dishwasher. Wide mouth design also allows for easy hand washing The insulated tumbler comes in 5 capacities and multi-colors to choose from, including solid colors or ombre colors. Choose the one you like best. Stay refreshed and energized with Konokyo insulated tumblers Konokyo 30 OZ Insulated Tumbler with Lid and 2 Straws Stainless Steel Water Bottle Vacuum Travel Mug Coffee Cup,Black