20" collapsible duffel zippers open for use and zips closed flat for storage. This interesting concept is ideal for needing an extra bag on vacation or as an everyday sport or travel duffel. Made of polyester, it features a side pocket and an adjustable and detachable shoulder strap, side mesh pocket for all your extras or water bottle. Measures 20" x 10" x 11". Only 1.2 lbs. Color black.