AJ Tack Wholesale Horse Feeding Hay Bag Solid Panel with Metal Rings 600D Canvas Nylon Large size horse hay bag. made with super tough 600 denier poly PVC coated canvas nylon. Solid canvas nylon all the way around include gusset, no mesh material. Two metal rings at the top for attaching to the stall or trailer, one ring at back to secure the bottom. Size: 29" x 19" x 5" (7" hole) Color: Black