AquaNation 1 Gallon BPA FREE Reusable FDA Grade Chemical Free Plastic Drinking Water Big Mouth Bottle Jug Container with Holder Drinking Canteen (Red)Category: Container JugsVolume size: 1 gallon / 3.87 literBottle size: 6.5" x 11. 5"Cap size: 48 mm screw capReusable. Helps the environment by cutting down plastic wasteMade of Tritan materialBPA-FREE sports bottles Dark colored bottles (i.e. black, purple, dark blue,etc.) are known to help preserve your alkaline water! The dark color acts as a UV protectant and helps preserve and store your ionized water!Bisphenol (BPA) is a chemical produced in large quantities for use primarily in the production of polycarbonate plastics and epoxy resins.These custom water bottles will allow you to quench your thirst while using bottles that are free of chemicals. These bottles contain Tritan material, which is believed to be one of the safest alternatives to BPA for manufacturing water bottles. Unlike the Polycarbonate bottles, BPA has it's pros and cons, Pros is free of chemicals, cons is it may crack and shatter into pieces if it got impacted by the outside forces. If you are looking for a bottle with free of chemicals, then go with BPA free one, but if you are looking for a really long-lasting bottle, then please go with the polycarbonate ones or other material bottles.?Tritan is the brand name for copolyester, a tough BPA-free material that has similar properties to common plastics such as polycarbonate. Tritan has chemical resistance and maintains its integrity in environments where other materials may degrade.