This eco-friendly baby glass bottle is completely free from silicone, plastic, and other petrochemical substances. This single-pack bottle comes with a natural rubber sleeve that covers the full length of the bottle - available in several colour options! This easy-on/easy-off sleeve, protects hands from the heat of a freshly warmed bottle, as well as further protects the robust borosilicate bottle from drops. The first of its kind designed in Denmark, the one-piece design nipple is made entirely from our beloved 100% natural rubber, and seals onto the bottle neck perfectly tight, without any leaks. The teat is cherry-shaped and ribbed to feel like mom