Ultimate Silicone Baking Mats - Set of 2, each 16.5" X 11.75" Set of 2, each 16.5x11.75" - Fits standard half sheet pans 18x13 & cookie sheets Non-stick - Dishwasher Safe or wipe clean with soap & water & shake dry - Roll to store or lay flat FDA Certified Food Grade Silicone - Even heat transfer from fiberglass weave design - Flavors & odors don't penetrate Heat resistant -40 - 450 degrees F - Oven, Microwave & Freezer safe Reusable & Durable - No parchment paper, spray, oils or greasing needed - Save money & eat healthier