... .Silicon gel ball has non-toxic,tasteless 2.Meterial:food grade silicon gel 3.Diameter:15mm~45mm 4.FDA /LFGB 5 ... 1. Material:100% silicone2. Color: white3. Size: 45mm4. specificationφ15,φ20,φ25,φ28,φ30,φ35,φ40,φ455. Usage: Used in medicine, mineral ... center and accommodation for workersSilicone Rubber Products producing process: Food grade white silicon gel ball for industrial