Description Food-Grade Safety Material: MOSOTECH ice cube trays are made of silicone and PP material which are BPA free and certified by LFGB. They Can withstand temperatures from -20 to 248, safe for use in the refrigerator and Microwave oven. Perfect for freezer and preserve baby food. Please be assured to use . 3 Ice Cube Trays 3 Removeable Lids 1 Clip: Need a lot of ice for parties or for those extra hot days Each our tray makes 21 nice-sized (2.7 X 2.7 x 2.8cm) cubes for a total of 63. Great for home use, parties, and bars or try these tray molds in the fridge for storing homemade kids chocolate snacks or baby food . Easy Release with Silicone Bottom: Unique design of silicone bottom and PP material body make it easier to release ice cubes, No need to boil the trays, push the bottom and ice cube will quick release. Your Ice cubes will be uniform in size and quality. The PP Silicone material makes the trays more durable . Stackable With Removeable Lids: MOSOTECH Ice trays will stack perfectly on top of each other with the removable lids to keep the trays separated. Make storage more economical and sanitary with these rectangle shaped trays. To secure lid to rubber tray for no-spill results, wrap fingers around lid top and push tray rim up into the lid . Wash by Hand Before First Use: To eliminate any residual odor and ensure no rubber smell, hand washes the reusable ice cube tray and the plastic lid tops in warm soapy water then dry thoroughly. After hand washing the first time, all parts can be cleaned in the top rack of the dishwasher. .