Premium-Grade 1680D material & heavy-duty constructionHeavy-duty waterproof basePass-through zippered compartmentStow-behind front flap pocketRemovable small parts pouchThe 450mm/18" IRWIN® Pro Plus Tool Bag provides maximum storage and protection in your tool bag. Its waterproof, impact resistant base and premium-grade 1680 denier heavy-duty construction means this bag will provide the ultimate protection for its contents. Innovative storage solutions such as a pass-through zippered compartment, removable small parts pouch, and straps for oversized items, plus 21 pockets and tool slots, will keep you organized for any job.