Type II PFDs are inexpensive and great to have onboard for meeting legal compliance. Designed to provide the minimum buoyancy necessary to turn most unconscious wearers heads up. The sizes and recommended fitment are as follow: Child - Children less than 50 lbs. Youth - Children between 50-90 lbs. Adult - Adults 90 lbs. and up Adult Large - Adults Mens Large and up This is a U.S. Coast Guard Approved Type II Life Jacket / Personal Flotation Device (PFD)