This childrens safety vest is manufactured from high quality woven high visibility polyester and features a Velcro front closure for quick and easy fastening. Ideal for school children from kindergarten up to 14 years of age. Children are safer walking or riding bicycles when wearing our childrens safety vest as they become more visible in traffic. This childrens safety vest is patented and one size adjusts to fit small the medium size children. This is the only childrens vest made that meets ANSI (American National Standards Institute) visibility standards.