Food-Grade and Safety Material : Ice trays is made of Premium Plastic and silicone material,which consists of a translucent plastic frame and a soft silicone base.Easy to use & clean : Fill the ice cube trays with water, cover the lid on and put them into the freezer. Then take ice molds out of freezer and wait for about 2 minutes and gently press the bottom of each slot and the cubes should come right out. You can clean them with water or put them into your dishwasher after use and clean off easily and quickly.Quick Freeze: Narrow popsicles freeze solids faster than most cube trays, and the bottom silicone allows them to pop right off without cracking or breaking.Stackable ice trays are the ones that come with a lid and can help save place in a stuffed freezer.Fit through Water Bottles Mouths: The ice trays for freezer comes out about 9cm long and 1.7cm in diameter, easily slipping into most water bottles.Multi-purpose Ice Tray :This reusable tray is suitable to cool your drinks such as whisky, coffee, milkshake, yogurt, cocktails, puddings, fruit jellies, ice cream, baby food or baby puree, soda and wine to modify your favorite flavor.Widely use for DIY families, parties and bars