The Bullet Sherpa Vacuum Tumbler & Slim Can Insulator 12oz is engineered using double-wall, vacuum-insulated construction. This multifunctional on-the-go drinkware doubles as both a tumbler and portable insulator to keep beverages and slim cans chilled. With the Sherpa Tumbler & Insulator, your drink will stay hot for up to 5 hours or cold for up to 15 hours. Laser is not available on stainless and silver drinkware colors.