E–3 is Exel’s largest backpack and it is available in three different colors. The main pocket holds about 22 discs and large side pockets can hold 2-3 discs. Large top pocket holds a detachable cooler bag. Without a cooler bag, the top pocket can hold several discs or other things. The zippered front pock- et holds 2 putters. Two large water bottle pockets on the sides and two extra pockets for the phone and other things.

The back is cut into shape and padded. Padded shoulder straps have an ad- justable chest strap. Two carabiner locks for towels. Also own pocket for the umbrella. The outer edges of the base are reinforced with corner guards and there are two plas- tic rails on the bottom to stay upright. The main material of the backpack is the most durable 1680 D polyester on the market. E–3 backpacks does not need to be assembled, but it takes on its correct shape after a couple of uses.