Advantage:Material - This baking cup is made of silicone material, sturdy and flexible, easy to remove, and non-stick, making your baking much easier.Heat Resistant - Withstand temperatures from 446°F (230°C) to-40°F (-40°C). Safe for use in the dishwasher, refrigerator, freezer, microwave, air fryer.Easy To Use  - Spray with a little oil before using, then simply place the cupcake liner on a cookie sheet, fill and bake, and release donut easily.Easy To Clean - Just rinse silicone muffins cups with soapy water after each use, and then let them air dry. Also, you can put them in the dishwasher. No more scraping your treats out from the liner.Wide Application - Great for making tarts, baking muffins, and preparing frozen foods, cupcakes, pastry, desserts on baking sheets.Occasion - Widely applied for birthday parties, bachelorette parties, weddings, and other family gatherings to prepare tea desserts.Specification:Material: SiliconeColor: RedShape: HeartOpen Diameter: 7cm/2.75inch;Bottom Length: 4cm/1.57inch;Bottom Diameter: 5.7cm/2.25inch;Height: 3.2cm/1.25inch;Package Included: 18Pcs x silicone cupcake liners