1WIDE MOUTH: The milk bottle is a wide mouth milk bottle, double scale, small hole nipple, milk hole can facilitate the mother to expand the hole with the baby food. 2NIPPLES: Soft, flexible, breast shaped nipples make combining breast and bottle feeding easy. PBA free. Silicone anti bloating nipple, thick, soft and elastic. 3MATERIAL: The baby bottles are made of PP material, sturdy, durable and not easy to break, transparent, make you can see exactly the amount. 4EASY TO CLEAN: Bottle set cleaning, and other steps are generally very easy and quick, allow parents to complete the relevant work faster, save time. 5COMPLETE: The baby bottles set contains all the necessary accessories, save some trouble and confusion for new parents. More affordable than buying separately,