These jacket style snorkeling vest offers more lift weight and comfort. It has two front pockets with squeeze-style side-release buckle closure for added security, is equipped with a heavy-duty front zipper closure for a secure fit. The easy to reach locking oral inflation valve is for fast and safe inflation and vest is equipped with an adjustable waist strap with squeeze-style side-release buckle and a neoprene back for added comfort. Jacket is available in 3-sizes according to user's body weight. The junior for children weighing up to 100 lbs. (45.4 kg), adult regular for user's weighing from 100 to 200 lbs. (45.4 kg to 91 kg) and adult x-large for people 200 lbs. + (91+ kg). The Scuba Max Snorkel Vests are made from durable bright yellow nylon material for great visibility. The air cell has radio frequency (RF) welded seams and all edges are taped and sewn for added strength and durability. A comfortable rolled edge collar for hours of snorkeling fun. Mesh front panels for fast drainage of residual water makes this one great snorkeling vest for your entire family's water safety.