1. materials: The ice Square tray set is made of pe materials which are BPA-free, safe, and durable. (Attention: Please do not wash with hot water)2. Easy to Release: These ice Square trays are made of pe which makes round ice Square s easier to release than silicone ice Square mold. After taking the mold out of the freezer, open the lid and slightly twist the tray to release the ice.3. Easy to Use: Simply rinse the circle ice Square mold under a water tap and fill the water in. No need to pour water in one hole after another. Freeze for 4-8 hrs, you can get 33 pcs sphere ice balls. (2 trays can produce 66pcs balls at one time)4. Saving a Space: Removeable lid for resisting dirt and odor, also allows you to stack up 2 ice trays together, much space-saving.5. Wide Application: DIY food, can be used to make ice Square s, pudding jelly, and perfect for whiskey, cocktails, Coffee, infusing fruit, or herbs.TipsBefore using it for the first time, please wash it with clean water, and then disinfect it with hot water.Do not use a metal brush to clean these ice Square trays.Do not use strong cleaners to clean the ice Square tray to avoid corrosion.After closing the lid of the ice tray, you need to press out the excess water.Keep ice Square trays from sources of ignition to prevent deformation.Specifications:Colour:blueMaterial:PESize:24.5 x 14.5 x 3.5cmPackage Contents:2 * Ice Square TrayOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.