AAI manufactures a complete line of competition mats, all designed with the athlete’s safety in mind. * Meets USAG, NCAA and NFHS competition specifications * Foam core of 20cm models consists of a top layer of cross-link foam over a softer dual density polyurethane foam * Foam core of 12cm models consist of a top layer of polyethylene foam over a softer layer of polyurethane foam * 18 oz. vinyl cover * 4” (5cm) hook and loop fasteners on the 20cm models for secure attachment * 2” (2.5cm) hook and loop fasteners on the 12cm models for secure attachment * Heat-sealed top surfaces provide a uniform, seamless landing area 416-123 7.4'x15.5'x4.7" 12cm Firm V2