【Open Wide Design with Double Zipper】-The dimension of the tool bag backpack is 18"H*12"L*9.4", it is a good organizer to carry your tools. The wide-open design is wide enough to access your long-size tools, and also makes your tools easy to find 【18 Pockets is Convenient to Store Multiple Tools】-There are 3 pockets on the front of the electrician tool bag, you can carry small size tools; and there is a pocket on the each side, you can carry the tools you need at any time; in the main compartment, it's big enough to store the most of tools, like electric drill, claw hammer, laptop, etc. 【Heavy Duty Design】-The tool bag for men heavy duty is made of 1680D fabric which is resistant, waterproof and oil proof. The tool backpack heavy duty can bear a weight of 66 pounds. This tool backpack also features heavy-duty zippers for enhanced durability, along with reinforced metal buckles on the shoulder straps to improve load-bearing capacity 【Shoulder-Strips Design】-The tool bag backpack itself is low-light, the wide and thick shoulder strips design can reduce your shoulder strain during extended use. The adjustable shoulder straps ensure a comfortable fit for users of all heights (160cm-200cm / 5'3"-6'7"). And the reflective stripes on the shoulder strips can protect you in the low light 【Suitable for Varieties of Work Sites】-There are 4 anti-slip pads on the base of this waterproof tool bag, it can protect the tool backpack in any sites. For example, construction sites, electrical work, power emergency repair, outdoor operation, etc. An ideal gift for husband, boyfriend, son, best friends 18 inch shoulder tool bag, easy to carry electric drill, electric hammer, hammer drill, axe and other tools. The design of the wide opening has a three-dimensional layout, orderly and not chaotic, convenient for you to find tools, and the design of the open mouth is also convenient for storing long tools. The thickened and widened shoulder straps spread the pressure on the shoulders and reduce your load. Both sides are equipped with encrypted nets. At the same time, according to the human hand design, the plastic handle is comfortable to hold. The shoulder strap is equipped with a warning reflective strip for more peace of mind at night. 1680D Oxford fabric, waterproof and oil resistant, but also wear, high load, can hold up to 66 pounds. The bottom anti-wear pads are not afraid to damage the kit in any work scenario. Like construction sites, electrical work, etc.