650ml & 22 Fl Oz Hand-blown Glass Bottle That Filters Your Water Using Traditional Japanese Binchotan Charcoal Method for Cleaner, Purified Taste. Removes Chlorine. Adds Minerals. Natural Water Filter Lasts for 6 Months. 100% Leakproof. Includes Locking Coil & Protective Neoprene Sleeve. Bpa Free. Minimum Quantity: 50.