A pack of five concrete washout bags, 40″ x 40″ x 24″, open top, sewn-in strong plastic liner, water-resistant seams, 4 corner lift loops, flat bottom. Self-supporting; no bulky external holder required. Folds for easy storage. A must-have on sites working with concrete, paint, stucco, and any other wet, potentially hazardous materials: landscapers, contractors, pool & patio. for use in concrete, cement, construction, pool & patio, contractors, stucco, mortar, paint, wet materials and more.