Fully adjustable nylon webbing fitted with safety buckles. Velcro fastening plus web strap insures positive fit around neck. Nylon web handle for easy rescue by hand or boat hook. Jackets are filled with "per-mafoam" flotation material that can not be damaged by puncture or cutting. Large reflective patch aids in locating in the dark. Super size jackets have an extra head flotation aid. Bright neon material