Heavy-duty Material: The tool bag is made from rugged 1680D Oxford fabric with reinforced stitching, providing perfect protection for your tools. The heavy-duty metal zippers glide smoothly without getting stuck and can be locked to prevent your tools from getting lost.30L Large Capacity: The tool backpack size is 12"L x 9.5"W x 18"H. It gives you plenty of space and keeps your laptop, hammers, screwdrivers, wrenches, drills, pliers, and other tools well-organized.Waterproof Molded Bottom: The toolbag has a tough molded hard rubber bottom that resists abrasion and water. The flat base keeps it standing upright, protecting it from damage caused by water, mud, or snow. Plus, it's easy to clean - just wipe with a damp cloth.Perfect Gift for Him: The tool organizer bag is a great companion for HVAC techs, electricians, mechanics, plumbers and construction workers. It comes packed in a nice box, making it an ideal gift for your husband, father, or loved guys.Comfortable to Wear: The tool back pack is designed with padded back panel and waist support to prevent waist strain. The breathable, thickly padded shoulder straps feature adjustable buckled chest straps and lower straps for a customized fit. The sturdy top handle for easy lifting and carrying.