Maximum flexibility to change your gear without changing your bag, the Expansion Pack instantly increases storage capacity by connecting to the heavy-duty male and female clips on the top and bottom of Scope OPS backpacks. Add or remove Expansion Packs to carry extra bait, cooking utensils, spod kits, or additional clothing suitable for the location and duration of the session. Expansion design with zipper opening to adjust capacity. The rigid EVA base keeps an Expansion Pack protected and dry when used at the base of a backpack. Exclusive wrap-around strap that attaches with Velcro around the backpack perimeter and detaches to create a shoulder strap or loosens to become a carrying handle. Additional double compression straps also serve as carrying handles or can be used to secure extra items such as clothing or rolled-up unhooking mats. Expansion Pack and Foil Lined Expansion Pack ideal for food and bait.