Tough 200 denier nylon shell stands up to years of use The Child Crew life jacket is rated for users weighing 33-55 pounds These jackets use high-quality foam flotation for high floating safety Improved shape of shoulders & arm openings for better fit & mobility Dual certified, carrying both US Coast Guard and Transport Canada approval The NRS Crew Child Lifejacket (PFD) - The NRS Crew Child Lifejacket (PFD) is ideal for flatwater boating and close-to-shore safety. No frills or fancy stuff, this life jacket just offers safety and all-day wearing comfort for your young people 30-50 lbs. It uses high-quality foam flotation for high floating safety on or near the water.