Stay green while still giving your baby a feeding time that's the closest to natural with this baby bottle from Klean Kanteen! This reusable bottle is crafted from premium quality stainless steel that can stand up to being tossed or thrown around. The feeding nipple is made from medical grade silicon and is vented to allow for a natural feeding pace. The wide mouth makes filling and cleaning easy, or throw it in the dishwasher if you don't have time for hand washing. With so many benefits and the option for engraving, this bottle is the perfect gift for any expecting mother!