Perforated Silicone baking mat is silicone coated fiberglass mesh on both sides, designed for baking with pastry and breads rolls, buns and more, provide even heat transfer to your baked goods. Non stick properties are effective in freezing, proofing and baking. Great for working with sticky materials such as gooey dough, taffy, caramel etc. The mat is a non stick for breads. Dough contains about 60-80% of water. Whenbaking with dough it is important to use the mat because of its perforated qualities. The water seeps through the mat, leaving a perfect crusty finish. Use this for yourhomemade biscuits, pizza and bread. it will save you a lot of time cleaning as there inno more sticky mess on your pans! Use it instead for any baking recipe that calls forparchment paper. This saves money and creates less waste for our environment. FEATURES : Environmental protection, degradable:Comply with FDA, LFGB, DGCCRF and other food inspection standards. High and low temperature resistance:Safe use from -40F to 480F. Non-Stick: Permanent non stick, no loss of anti stick due to wear. High durability: Up to 2000 times of repeated use, the super long service life comes from the internal high strength fiberglass fabric. Easy to clean: Wash with water or wipe lightly with a rag. For stubborn stains, just brush lightly with a common detergent.Super adsorption-- It can absorb all kinds of materials and is an ideal kneading table. Easy to store: It can be rolled up for storage without taking up space when not in use. Material: Non-Toxic Fiberglass+ Food-Grade Platinum Silica Gel Temperature range : -40F up to 480F Product size: Large size of cut corner: 37 x 57cm, thickness 0.54mm, weight 120G Medium size of right angle: 30 x 40cm, thickness 0.54mm, weight 72G 12 circles of medium cut corners: 30 x 40cm, thickness 0.54mm, weight 70G 18 circles of medium right angle: 30 x 40cm, thickness 0.54mm, weight 72G