Food grade PE material - 37 grids is made of food grade PE material, 100% BPA free, suitable for all types of adults, baby food and drinks, essential for party gatherings. family, bars, etc. Round Ice Hockey - comes with a drainage hole, after adding water, you can press to drain excess water and air, so that every ice hockey you create it full and round! Durable - comfortable to the touch, durable and not deformed, the bottom is reinforced smoothly and does not tilt, can be stacked and used, PE material is easier to clean than silicone and can be reused Easier to release than silicone - PE material is a little harder than silicone, making it less sticky than silicone and easy to release Multiple applications - The diameter of a single scoop of ice is 2.5cm, suitable for various cups and drinks such as: whiskey, coffee, beer, cocktails, etc. You can also add fruits, chocolate, jelly, etc. in the mold to make whatever you want from the ice cubes