Kid size 13 ounce squeezable water filter bottle with 1 filter;1 water filter can replace 300 standard 16.9 ounce water bottles;Filter sits inside water bottle, reducing particulates and chlorine taste and odor, often found in tap water; retains healthy dose of fluoride in fluoridated tap water;BPA-free recyclable water bottle is top rack dishwasher safe;Replace filter every 2 months with white Soft Squeeze Brita Bottle Replacement Filters item number 60258 35561