Silicone Sphere Molds Makes 2 Inch Round Ice Balls (Set of 12) Flexible, Reusable, BPA Free. Plus Bonus- 1 Silicone Earphone Winder (Earphone Not Included) (Blue) 2 Inch Round Ice Ball Molds (Set of 12, Blue) Safe for kids and everyone - BPA free! Flexible, non-stick, FDA-approved food-grade silicone Top-rack, dishwasher safe; hand wash for extended product life Lifetime, no-hassle free-replacement guarantee