Volume size – 1 gallon Bottle size - 6.5" x 11. 5". Cap-size – 48mm screw cap. The dark color acts as a UV protectant and helps preserve and store your ionized alkaline water! Reusable. Helps the environment by cutting down plastic waste. Best sports bottle you ever had. These custom water bottles will allow you to quench your thirst while using bottles that are free of chemicals. Made of Tritan material. Easy to carry around. BPA-FREE sports bottles