This set contains 2 high-quality non-stick silicone baking mats with a diameter of 23 cm. Material: Premium silicone, built to last. OVEN / MICROWAVE / DISHWASHER / FREEZER SUITABLE - DURABLE AND LONG LASTING: Flexible yet tear-resistant, it's engineered to withstand thousands of uses in extreme conditions ranging from bitter cold to intense heat (ranging from -40F up to 482F). NON-STICK: Perfect for all your baking needs. Transform your bakeware into non-stick with these silicone mats and watch your delights bake evenly and perfectly, then effortlessly slide right off the mat. No stickiness or burnt bits for you to scrub Can also be used for non-stick freezing like your delicate desserts. VERSATILE APPLICATION: The Round Cake Liner is perfect for baking, kneading, rolling, candy/macaron/pastry/cookie/bun/bread, as well as freezing meatballs, dumplings, fruits and vegetables Notes:1. Due to manual measurement, please allow 1-3 cm error. Make sure you don't mind before you bid.2.Colors may vary due to different monitors, please understand. Thank you for your support :)