Dolphin Tech by IST BG03 Roller Backpack 3-WAY USE  Includes duffle bag straps, backpack design & retractable roller handle. ROOMY STORAGE  Spacious main compartment can accommodate 2 complete sets of scuba equipment & gear. SMOOTH ROLLING  Shock-absorbing wheels are silent for convenient travel. COMFORTABLE USE  Padded shoulder straps ensure maximum comfort when used as a backpack. PERFECT SIZE  Measures 27 1/4 x 16 x 17 inches & weighs just 11 lbs.