KURYAKYN

Black; 12" wide/diameter x 18" tall (21" tall when expanded); Cubic Inches: 2,036 (2,375 expanded); Liters: 33 (39 expanded); UV-rated weather-resistant 1200 denier textile material with removable rain cover; Quick-mount sissy bar strap design gets you on

Fits on passenger seat (with or without sissy bar) or luggage rack. 10" in diameter x 18" in height (when fully expanded); 23 litres; 1200 denier UV-rated weather-resistant textile material with removable rain cover; Sissy bar strap that attaches quickly;