1. Fast Chilling and Freezing:With tiny ice balls will chill and cool your drink much faster than standard or large ice cube trays so that you can enjoy the sweet cold drinks first sip much quicker. Save your time 2. Easy to Fill:Simply pour your liquid into the mold, and then close the lid to squeeze out extra water. No need to fill each individual cube with the little funnels or slow the stream of water to fill it up through small holes 3. Food-Grade Material:Small ice cube trays for zer are made of premium quality material. Upgraded material are more sturdy, r and durable than silicone, no worries about chemical smells and white impurity 4. Easy Get Ice Out:Ice trays for zer comes with a unique design which makes tiny ice easier to release than soft silicone ice molds. Simply Twist & Twist will be released mini ice balls immediately. Stackable design ensures maximum zer efficiency