F-1 T35 Tailpack 35L, Luggage Capacity 35L (9.2 gallons), Durable rip stop nylon material, Showerproof inner liner, Reflective print, Converts to a backpack, Detachable base, External pocket, Expandable, Elasticated netting for stowing lightweight items such as gloves, Includes 5 personalized Color inserts.