Rollerblade Quantum Backpack Great solution for carrying and storing your skates and gear, with external skate carry system that really works Volume 2000 cubic inches/32 liters Aeromesh padded backstays, padded shoulder straps and strenum strap, reflective piping Two cell phone/MP3 pockets on the shoulder straps, 2 external mesh pockets, internal pocket with key clip, internal padded notebook pocket