smart silicone bottle cap 1.100% food grade silicone 2.Past RoHS,SGS,FDA 3.Use for bottle 4.Non-toxic,tasteless,healthy 100% Food Grade Silicone Bottle Cap:1, Material: 100% food grade silicone2, Hardness: Between 20~70 shore A3,Non-toxic,tasteless,no irritation and deformation items.4,Waterproof,Soft and easy recover,heat-resisting,good durable,ECO-friendly etc.5, Property: high/low temperature ...
