These are USGI issue, often made by Therm-A-Rest, Vinyl Technologies, or similar vendors. They may vary from lot to lot that we get.
This self-inflating abrasion resistant ground insulator/sleeping pad features an OD green 100% oxford nylon outer shell bonded to a 1" thick lite urethane foam core and a plastic inflation valve. It measures approximately 20" wide x 72" long. This is the latest issue ground pad used by US and NATO forces. Contractors vary.