The Klein Tools Tradesman Pro Tool Master Rolling Tool Bag, No. 55473RTB, enables professionals to easily transport tools and materials through harsh job site conditions with rugged 8" wheels. The rolling tool bag features a hard top allowing for the stacking of additional materials and is contoured to safely hold cell phones, beverages, or small parts. It holds 250 lbs and is water-resistant. The lid closes shut with a metal latch.