The Allen Company Chatfield Compact Fishing Backpack features a flexible pack for afternoon trips or full-day outings. It is hydration-compatible and has D-rings on both straps for easier access to accessories. The backpack fits up to nine total fly/tackle boxes, seven fitting in the main compartment and two smaller boxes fitting in the side compartment. Ample storage pockets help keep you organized, while a padded, air mesh back provides breathability. Product Features: TACKLE BOX STORAGE: This fishing pack offers a customizable carrying solution, fitting up to seven fly/tackle boxes (including 3600 StowAways) in the main compartment. At the same time, bottom straps adjust for accessibility and added security. VERSATILE: Overall, this backpack fits up to nine total fly/tackle boxes, seven fitting in the main compartment, while two smaller boxes fit in the side compartment. The pack has ample storage pockets to help keep you organized. STAY HYDRATED AND ORGANIZED: The Chatfield Compact is hydration compatible, providing a pocket for a bladder, and offers spacious compartments for strategic organization, on and off the water. COMFORTABLE SUPPORT: The backpack's padded straps have D-rings for attaching accessories, providing the comfort and flexibility needed when hitting the water.