Stretch Shapes 10 Ft. Truss Cover Fits 10' X 12" Box Truss (also fits 3m) - Premium White IFR Stretch Fabric Truss Cover fits any brand 10' long by 12" aluminum box truss Also fits metric 3 meter long x 11 7/16" aluminum box truss Pull Over style that easily slides on truss yet stays securely in place Premium white Trapeze Plus 4-way stretch fabric is machine washable and wrinkle free IFR (inherently flame retardant) NFPA 701, CSFM Title 19 and ASTM E84 compliant