PS plastic, pongee, polyester;Compact folding umbrella with 44″ arc, and convenient automatic open feature (manual close); Press button on handle to open; Vent feature allows wind to pass through the umbrella (ie, it helps resist wind); This feature also prevents the umbrella from turning inside out; Made of Pongee with 8 sewn panels, PP plastic handle, Iron shaft and ribs; Includes wrist strap and matching pongee sleeve/case; Product Size: 16.75″ l x 1.5″ dia.;