"Wash and boil before use, especially for food. Easy to use mould very flexible and easy to clean, can be used in oven, dishwasher, refrigerator etc. Can be used within the temperature between -40~220 centigrade. Some material ( such as clay, paste etc. ) may extend a bit when pull out of the mold. Food Grade. Food and Non Food material should use separately. For delicate or complicated item, please demold the product from the silicone mold very carefully, at first slightly bend mold from the edges, then easy press on the center of the mold and demold the product. 1) poured in silicone molds in layers, allowing air bubbles completely escape; 2) to expedite the process of escaping of bubbles and time of solidification of resin, the mold can be a bit warmed up, for example, heat the oven to 80°C, turn off, ventilate it a little and put mold, filled with resin in the oven. After baking clay / resin in complex or deep molds demold the finished product under running water with soap. All molds are reusable. FQAs: What is advantages of silicone molds and the different between silicone and plastic molds. 1 Flexible. Silicone molds allow you to do very complex castings that can be demolded much more easily as compared to plastic molds. 2 Castings may come out more shiny than a plastic mold. 3 Durable. Not easily scratch the sarface as plastic mold. Silicone mold can last for many years and thousands of casting if cared for properly. 4 However, silicone molds require more care. Silicone molds should be cleaned after use and stored flat in a cool, dry area for protection reason. ( if you want to use thousands of times ) 5 Both silicone molds and plastic molds can be treated with a mold release before use. Use or mix use with types of materials to make eyeballs, such as resin epoxy, uv resin, polymer clay, liquid clay, air clay, paper clay, resin clay, fondant, pastry, isomalt, chocolate, plaster, soap etc. if you use them wisely, you may use with more types of edible and non-edible materials Clear mold for doll eye ball, eye ball jewelry making, eyeball bow hair clips, Gothic eyeball ring, Zombie isomalt eyes, halloween eyeball cake decoration, monster eye ball cupcake topper, mini cookie, scary eyeball paperweight and more Ways of making eyeball, the easiest way is to place a eye ball film at the bottom of the mold. You may try more sophisticated by printing after mold release. Then add clear resin to complete the look. More ways you may email before purchase Essential resin casting kit and resin jewelry molds Transparent so you can check the buttom when process project Date First Available: September 13, 2018 Package Dimensions: 4.25 x 2.56 x 0.98 inches; 0.63 ounces Material Type Free: Bisphenol-A (BPA) Free Number of Pieces: 6 Color: 6-count Item model number: 2166 ASIN: B07HB3DTMX Material Type: Silicone Material: Silicone Is Discontinued By Manufacturer: No Brand: FUNSHOWCASE Brand Name: FUNSHOWCASE Manufacturer: FUNSHOWCASE Item Weight: 18 Grams"