Tough Guy Recycled Material Trash Bag, 33 gal., LLDPE, Coreless Roll, Black, PK 125 31DK55 Hooks Double Compartment Scullery Sink has Double Compartment Scullery Sink has drainboards that are steel channel reinforced with a conical shaped pitch for drainage Gravel bags are a basic BMP (Best Management Practice) used to meet regulatory requirements for stormwater and erosion controlThe sizes are industry standard and allow the user to fill them up with as much or as little gravel as the application requiresDifferent sizes lend themselves to different applications They are made from recycled materials and resist tearing and punctures or sustainable facilities to transport trash and keep receptacles clean