Weaver 45 Degree Hay Bag features a convenient, side-loading design that can be refilled without taking it off of the stall wall. Simply open the flap, slide in the hay and secure the flap with industrial strength hook and loop closure and you're ready to go. This quick-loading bag is perfect for use in trailers. Made with an anti-twirl connecting loop on the back and an adjustable hanging strap. 21" wide x 22.5" high x 7.5" deep.