Dynamic Discs says this about their Paratrooper Backpack:
The new standard for storage, features, and value is dropping in. The Paratrooper models the smaller Trooper's aesthetic while improving in many key areas. It holds 18+ discs in the main compartment with additional space in the top compartment for putters, more discs, or layers of clothing. The Paratrooper also features two large side pockets for storage as well as two water bottle holders. With added padding for a comfortable carry and added structure to ensure the bag stays upright, the Paratrooper is set to drop your scores and your fatigue!
Big brother to the popular Trooper bag - more structure, padding, durability, and storage
Large main disc compartment that holds 18+ discs
Front flap pocket for a go-to disc
Open bottom flap pocket for scorecard, pencil, mini
Padded straps and back panel for a comfortable carry
Upper compartment for accessories, articles of clothing or 3-4 more discs
Separate top putter compartment for two putters
Two spacious side storage pockets for valuables, clothing, etc.
2 drawstring-enclosed water bottle holders
Bottom rail system for added durability and stability