Enjoy your drinks on-the-go with Corkcicle Tumbler. It keeps your beverages cold or hot for hours, and features an elegant design with an attractive color.1-Triple-layer insulated stainless steel.2-Keeps drinks cold for 9 hours and hot for 3 hours.3-Has easy-to-grip flat sides and a silicone bottom to prevent sliding and spilling.4-Spill-resistant shatterproof crystal clear lid.