Transforms for Comotomo Baby Bottle into a sippy cup. Compatible for the 5 oz and 8 oz for Comotomo Baby Bottles and for Mason Baby Bottles (regular mouth). BOTTLE NOT INCLUDED. Note: It is only suitable for replacement sippy spout nipples of 7cm baby bottles. Easy transition since baby is already familiar with the bottle. Soft spout for easy transition. Made from silicone. Does not contain any BPA, Phthalates, PVC, Latex or Lead. Easy to clean. No extra parts to wash. colour: transparent color Material: silicone Size: bottom diameter 7cm Package Contents: 2 x Sippy Spout Nipples Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.