Silicone Ball for freezing water 1)Material:100%food grade silicone 2)Used in freezingwater in one ball without lots of little pieces of iceblock 3)Logo can be debossed,embossed and printed 4)pass FDA,LFGB standard 5)OEM welcomed projects which can do as per customers' requests 6)variety colors 7) Dia:8cmX7cm 8)safe to use in ovens ,microware ovens,dishwashers and freezers 9)package method: OPP.PVC,BOX,blister card,colorfule paper packing