Ideal shape and size: they have 6 rectangular-shaped cavities, each with the following dimensions: 21.5 x 20 x 2.2 cm, suitable for soap making. Reliable Quality: Completely made of 100% high quality silicone, BPA free and eco-friendly. Reusable, flexible and non-stick. Safe to use: these molds can be used in the oven, microwave, refrigerator and dishwasher. They are temperature resistant from -104 to +446, Fahrenheit (-40 to +230C). Easy to release: Silicone is durable and non-stick, so it is ideal for soaps and other craft projects. It doesn't break like hard plastic molds. You can easily unmold the cupcake or soap. Easy to disassemble and clean. Versatile: ideal accessory for making handmade soaps, cupcakes, jellies, pastries, desserts, chocolates, ice cream and more. They can also be used as molds, cake molds, chocolate molds, bread molds, ice cube molds, candy molds, etc.