Each of the four KOR One Hydration Vessels represents a specific water related cause. KOR has selected four nonprofits for the Thirst for Giving program based on the extraordinary work they are doing for the causes KOR supports. Orchid Pink Hydration Vessel sales benefit Blue Planet Run for the global water crisis. 50 mL / 25 ounces of pure hydration, BPA-free, health safe materials (made from Tritan), hinged cap for easy open / close, threadless, perfect spout, dishwasher safe (top–rack).