Speedo Swim UV Neoprene Swim Vest Life Jacket, Size L, 4-6 years Ages 2-4 Years ~ Weight Capacity: 33-45 lbs. Safety strap with buckle closure Soft, durable neoprene exterior construction for warmth and buoyancy; Soft polyester inner lining for comfort Full Front zipper with Velcro closure for added safety UV50+ Block the Burn protection from the sun's harmful UVA and UVB rays