Easy to Release:This ice cube trays are made of hard plastic which makes round ice cube easier to release than silicone ice cube mold. After taking the mold out of the freezer, open the lid and slightly twist the tray to release the ice.^ Easy to Use: The circle ice cube mold consists of one tray and a lid with small holes.Just pour the liquid into the tray at one time and close the lip. Than put the mold into the freezer for 4 hours, you can get 1 inch 33pcs sphere ice balls.(2 trays can produce 66pcs balls at one time)^ Approved Material: Our ice cube molds are made of high quality food-grade material. BPA free, no smell, no toxic.Safe and durable.^ Ice Ball Container: This Ice cube set is perfect for a summer party.^ Wide Application:Perfect for whiskey, cocktails, Coffee, infusing fruit or herbs. Try infusing mint for that perfect Mojito or strawberries for that delicious lemonade.