The WEEGO Glass Baby Bottles Starter Kit is the perfect gift for a new or expecting mom. The Starter Kit includes: 2 Two 9 oz glass bottles with stage 2 nipples (3-6 months), Two 4 oz glass bottles with stage 1 nipples (0-3 months), Two extra stage 2 nipples, Two extra solid caps. WEE GO's glass baby bottles are designed to grow with your child. Twist on one of the included solid caps and use your bottles for storing juice or snacks. Perfect for a lunchbox or traveling. The included clear cover can also serve as an easy to hold cup. The bright colored silicone sleeve helps to protect the bottle from breakage and provides a great gripping surface and tactile experience during feeding. Features and Benefits: Glass Baby Bottles and sleeve can be boiled or put in the dishwasher together. Can also go in the freezer, making breast milk storage simple. Bisphenol-A (BPA), phthalate, and polyvinyl chloride (PVC) free Silicone sleeve is non-toxic and free of plastics Silicone nipple is non-toxic and latex-free Plastic ring, plug and cap are FDA approved.