Get creative and make the perfect macaron every time  The baking sheets silicone design and tiny ridges let you make consistent macarons without sticking. Each sheet features 18 ridges with accurate filling marks. Made from 100% premium silicone, the baking sheet is designed to withstand temperatures up to 450F/220C and as low as -40. The sheet is Oven-, freezer-, and dishwasher-safe. A great thing about its silicone construction is that it is entirely non-stick, so when the macarons are cooked, they turn out easily without leaving behind bits of themselves behind, so you can bake with confidence! Also handy for baking meringues, cream puffs, shortbreads, cookies and party deserts. Made of 100% premium non-stick silicone in charcoal. Features 18 individual ridges each measuring 2 1/2" in diameter.