33 grid mini round ice cube tray mold with lid easy to release, user friendly, food grade material ,bpa free. this product has good toughness, easy to bend and easy to take off. you can rotate the ice tray diagonally. can be stacked together to use, fully save the use of refrigerator space. two right-angle non-slip bottom supports, effectively avoiding the problem of preventing unevenness. the water outlet design on the top ensures the roundness and fullness of each ice puck round ice cube tray creative hockey ball maker round whiskey sphere mold silicone diy mould home kitchen tools.