Lifefactory’s BPA-free reusable 9 oz bottles are made from clear glass wrapped in modern silicone sleeves -- intelligently designed, clean tasting, chemical-free containers for all your favorite beverages.
Great for toddlers, the sippy caps are leak resistant and have steady flow control. Control silicone valve flow rate by tightening or loosening cap. For maximum flow, remove silicone valve. Sippy cap is also compatible with Lifefactory's 4 oz bottles, as well.