Allen Competitor Molded Shell Bag Gray Double Compartment. The two elastic loops on each side can hold spare choke tubes or extra shotgun shells. On each end of the shell bag are metal D-rings so you can attach any accessories you may need. The Competitor Single Compartment Shell Bag comes with a two-inch-wide heavy-duty webbed belt. The black and red buckle has large release tabs that make this buckle truly quick release. Specifications for Allen Competitor Molded Shell Bag: Manufacturer: Allen Fabric/Material: EVA Features of Allen Competitor Molded Shell Bag ELASTIC LOOPS: Four elastic loops to hold choke tubes or extra shells. BELT: Two-inch webbed belt with quick release buckle adjusts up to 52-inches. ATTACHMENT POINTS: Two D-Rings for attaching safety glasses or towel. Package Contents: Allen Competitor Molded Shell Bag Allen 8334: Competitor Molded Shell Bag Gray Double Compartment