This lightweight self-storage bag with attached ducting is designed for convenient storage and easy transport of ducting.Ducting Features:• Vinyl and polyester materials• Single-Ply• PVC Coated• Flame retardant• Temperature Range: -20° F to 180° F (-28.8° C to 82.22° C)• Retractable, Non-collapsible design• Class 1 hard drawn spring steel wire helix• Meets ASTM 227 Specs• Yellow color with black weather-strip• Fastening cuff to attach bag to blower