The safety buckle is made of which is the uniform material of international life jackets. It is thicker and stronger, and its length can be adjusted. High quality zippers have been added to provide a stable fit. No armholes on both sides, easy to move, specially designed for large-scale sports.Specification: Name: Life vest Material: Neoprene, High-density buoyancy cotton. Application areas: sea fishing, swimming, rafting, back-floating, surfing, boating, rock fishing, motorboats, flood fighting, etc. Straddle function: to ensure that the life jacket will not leave the body due to buoyancy in the water. Package includes: 1 x Life vest. This item is in the category "Sporting Goods\Water Sports\Swimwear & Safety\Life Jackets & Preservers". The seller is "good**shop" and is located in this country: CN. This item can be shipped worldwide.