The Plano Guide Series 3500 Tackle Bag features a topside Utili-Tackle Rail System and bungee strap to secure 3500 StowAway for quick access, raised waterproof Utili-Tackle Rail system base with elevated rubber feet to lift above wet surface.Utili-Tackle Rail System includes 34 accessory attachment points plus tie down slotsClear zippered pocket inside lidCollapsibleZippered side pockets with external tool holders, large zippered front pocket with HDPE D-ringsMesh slip pocket, and a large rear mesh slip pocketIncludes five 3500 size StowAways