SERIOUS TECHNOLOGY - Double Wall Vacuum Insulated for extreme temperature retention! SERIOUS WARRANTY - Lifetime warranty! Yes you read that right - if your SIC cup ever fails to live up to it's expectations we will gladly get you another one or refund your money! SERIOUSLY STRONG - Made from kitchen grade 18/8 Stainless Steel the SIC cup is ready to roll with you anywhere you want SERIOUSLY SWEAT FREE - The double wall construction completely prevents any temperature transfer to exterior wall therefore eliminating any condensation or change in temperature where you hold your hand. Your cup will always remain a comfortable temperature for you to hold but your drink inside will be either ice cold or piping hot!