So-Cool Silicone Pot Holder/Trivet, Pink New So Cool deep rib design keeps the heat from your hand, it really is the best in the world; we guarantee it; heat resistant and square Ribs translates to 3 layers of effective insulation from the heat, with anti-slip nubs Super Easy to clean: dishwasher safe on top rack, and washing machine safe Diffuses heat, and has an amazing feel; Heat Resistant Dishwasher Safe Essential Kitchen Cooking & Baking Gadget Lifetime, no-hassle free-replacement guarantee, works when wet too, square shape