Keep your water bottle or hydration pack clean and free of harmful bacteria with the HydraPak Bottle Bright Natural Cleaning Tablets. All-natural and biodegradable, these tablets deliver a deep clean for stainless steel bottles and mugs, hydration reservoirs, coolers, dishes at camp, hard to clean plastic containers and bottles without any scrubbing. Tablets also remove stubborn stains and odors, without using harsh chemicals that could be dangerous to the environment. 12 tablets.Manufacturer model #: BB112. Cleaning tablets for water bottles and reservoirs Biodegradable and all-natural Chlorine-free Removes stubborn stains and odors No hard scrubbing required