Camping mattress self inflating mattress r value 64 mini pump carry sack repair kit coupler kit series exped mega mat colour red pump electrical mini pump weight 219 kg heat transfer coefficient 64 areas of use 3 season camping mat camping portable bed winter camping mat outer materials 50 d tricot nylon 75 d polyester tpu polyether film laminate special features 5 year guarantee inner material polyurethane foam included in delivery stuff sack r