High Quality Silicone and AS: Ice hockey machine made of silicone and AS material. BPA free non-toxic food grade silicone ice cube tray, making it absolutely safe to use for making ice cubes. Silicone and AS lids seal around the edges. Easy released design: The bottom of the ice ball mold is made of good quality soft silicone material, which makes it easy to release the ice ball. To release the ice ball, you can easily squeeze the silicone. (Suggestion: let stand for a minute before taking out) Convenient & Practical: The round ice cube mold is easy to use, the clear AS cover allows you to see the water level , the top water filling port does not need to divide the ice cube in half. (with funnel for you to fill the mold) The soft silicone allows the puck to simply pop out to perfect shape. Extra Large Puck Size: Compared to ordinary ice cubes, this puck mold can make 6 cm oversized pucks. The large puck melts slowly and keeps you cold longer without diluting your drink too quickly. Wide Range of UsesThe ice cubes are perfect for whiskey, cocktails, smoothie, juices, or other mixed drinks. You can also fill fruits, jelly, coffee, vegetable puree, yogurt, and chocolate into molds to make creative ice balls. Great for parties, dining and home entertainment.