Reusable silicone cup cozy Heat resistant to 675°F Keeps hands cool when handling hot cup Fits standard cup sizes 3.25 inches diameter x 2.75 inches tall The Cup Cooley silicone cup cozy makes disposable cardboard cup sleeves obsolete. Because it is made of slip-resistant silicone, your beverages will remain hot, while your hands stay cozy cool. The reusable cup cozy is dishwasher safe and fits most standard cup sizes. You can always have one handy, since its compact design easily stores in a pocket, purse, briefcase, car console, or glove compartment. So, stop worrying about burning your hands on that next cup of coffee or tea. Add the Cup Cooley cup cozy to your must have gadgets, and your hands will surely thank you