The comfort 50 self inflating mat is from multimats family premium range for added luxury to camping slightly wider longer and thicker it offers additional comfort for the family camper it boasts excellent quality and comfort with an extended guarantee it uses brushed 75d tpu polyester fabric top layer for a softer warmer mattress with reduced slip touch and a tough 150d tpu polyester base fitted with velcro joining strips for sleeping double and a super fast valve for quick inflationdeflation