The Conterra triage tarps are definitely not disposable. They are constructed from heavy coated nylon oxford cloth for years of use. The tarps are heavily reinforced at the corners with 1000d Cordura nylon, and feature powder coated brass grommets to use as tie downs, or suspension points. Because they are built from the same nylon that goes on the floor of expedition tents they can fold and compress into a much smaller space than run of the mill tarps. Color coded to match S.T.A.R.T. triage requirements, the tarps measure a full 10ft x 12ft. Made in U.S.A.