MaterialSilicone ColorPack of 30,Multicolor Shape: Heart-shaped; Quadrate Item Dimensions LxWxH2.75 x 2.75 x 1.2 inches Special FeatureNonstick, Oven Safe 1. Upgraded version:Improved thickness and weight.Food Grade Silicone & Long-term Use: Baking cups are made of food-grade silicone, odor resistant, no smells, no leaking dyes, no chemical coatings, eco-friendly premium silicone pinch approved, the color don't fade. they are reusable. Save money for you comparing with disposable paper cups 2. Size & Good Quality: LxWxH2.75 x 2.75 x 1.2 inches.30 pack silicone baking cups set are suitable for many occasions. Good quality silicon cupcake liner, heat resistance temperatures up to 240C/464F. 3. Non-stick & Baking Easy: Comparing to paper cake cups, impermeable silicone baking cups more easy to store, easily place and get out baked goods easily with good shapes, made with non stick material, easy to clean with water or dishwasher, also you can add grease or cooking spray for non stick 4. Good Quality & Oven Safe: High temperature resistance silicone molds safe for use in the oven, fridge, freezer, microwave and dishwasher with practicality. Enjoy baking time with family and friends at any time. 5. Multicolor & Multi-use: Custom multicolor, flexible baking cup liners great for making muffins, mousse, bread, pudding, tart, jelly, conditioning food, brownie cupcakes, chocolate, custard, soaps, fat bombs and so on. Use this bulk pack of cake liners for most of parties, wedding, birthday, baby shower, catering, marathon, Halloween, Thanksgiving, Xmas baking sessions.