Gear-Up's four tube surf bag is a little bigger than our three tube surf bag for the matter of that surf caster's sometime intend to want extra room for plugs/lures. The bag has inside flaps to ensure that surf caster's do not lose plugs/lures if hit by a wave. The bag has a pork rind holder (Uncle Josh pork) and a bottle holder (16.9 FL OZ water bottles and a 16.0 FL OZ Gatorade bottle). The inside of the bag includes tubing with plenty of drainage holes, 6 bucktail slots, and a storage pocket (soft plastics; shads, slug gos and etc). The bag has two large belt loops for comfort and durability. Two d-rings on each side (left and right) for those who are bothered when casting and the bag moves around, the d-rings can be looked as a lock system; a surf caster who has a d-ring accessory on their belt with a stainless steel clip, may attach the stainless steel clip onto the d-rings on the surf bag so that the surf bag is still and not all over the place when casting. The bag has plenty of grommets for fast drainage.