148 inches. Made of long lasting heavy-duty vinyl, nylon webbing is sewn into the fabric around the polycord that slides into the awning rail. is extra reinforcement prevents the canopy from ripping or tearing at the seam due to wind apping or water pooling—typically the #1 reason for slideout canopy damage. Optional FLXguard (patent pending) fabric protection is available as special order, White Vinyl Universal replacement fabric - Fits all Carefree slideout products & Dometic/A&E Slidetoppers Made of long lasting heavy-duty vinyl, nylon webbing is sewn into the fabric around the polycord that slides into the awning rail. This extra reinforcement prevents the canopy from ripping or tearing at the seam due to wind flapping or water pooling-typically the #1 reason for slideout canopy damage.