Derby Originals Supreme Nylon Top Loading Slow Feed Hay Bags Replaceable Adjustable Carry Strap HAY SAVING DESIGN - these hay bags were designed to let your horse freely access hay while also preventing hay wastage or spoilage by keeping your hay secure, dry, and away from rodents and other pests. EASY TO HANG - these hay bags come with an included replaceable nylon hanging strap with a snap closure that makes it easy to hang these bags in stalls or trailers, on fences, or anywhere else! STURDY CONSTRUCTION - these hay bags are built from a durable nylon body with built in crossbars to maintain the shape and rigidity even when empty, a mesh bottom to allow dust to filter out of your hay, and a nylon mesh front with reinforced stitching. CLOSABLE TOP - these bags have a fold-over top with a sturdy velcro closure so that you can keep your hay securely inside and ensure that your horse eats from the mesh front of the bag. FIVE FUN COLORS - our top loading hay bags are available in five classic colors: Red with Black Accents, Black with Grey Accents, Pink with Turquoise Accents, Hunter Green with Plum Accents, and Blue with Turquoise Accents.