Contain concrete run-off with the waterproof, lined Medium Hopper Washout Bag. Perfect for capturing ready-mix chutes and wash-outs from your line pumps on the job site. Adheres to environmental regulations Strength-tested, tear resistant, woven polypropylene Waterproof liner safely holds wet concrete and washout Slides easily under ready-mix chutes and line pumps Partially-enclosed top panel keeps material contained during transport Small center opening minimizes spillage Chain-stitched waterproof liner prevents liquids from seeping Reinforced over-lock stitching adds extra strength and structure Extra sturdy reinforced poly straps for forklift portability Poly pocket for accurate project identification Volume capacity 24.3 cubic feet | 182 gallons | 0.9 cubic yards