Backpack with pockets made from long-lasting material, resistant to abrasion and water. It features high-quality zippers. It has internal rings and external hooks (compatible with SLS) as well as a transparent, removable case for documents or a tablet. With a removable case that can also be hung on a ladder. Reflective strips for safe work in the dark. Shoulder straps with padding. Waist straps with easy opening and closing. Proper weight distribution design for maximum carrying comfort. Side pocket made of elastic mesh for placing a bottle. Handle on the top for easy carrying.