Amazon has the Pyrex 17.5-Oz Color Changing Glass Water Bottle for only $10.60! (Reg. $25) The Pyrex 17.5-oz bottle is a hygienic glass bottle with shatterproof 5-layer silicone safety wall. The leakproof lock cap makes this reusable bottle perfect for your work bag, gym bag or for the kids to use to take to school.