STURDY LIGHTWEIGHT CONSTRUCTION – these hay bags are made of a durable canvas material with strong durable reinforced stitching at every seam. MULTIPLE COLORS – these hay bags are available in six fun colors: Black Hunter Green Tan Plum Red and Navy Blue. BACK SECURITY STRAP – these hay bags are equipped with a sturdy cross-stitched strap across the back so you can tie them to the wall fence etc. so they stay in place. EASY TO HANG – a pair of nickel-plated D-rings allows these hay bags to easily be hung using rope snaps on a nail or whichever way you prefer! GENEROUS SIZING – these hay bags are generously sized and perfect for use in the stall trailer at pasture or at a show due to their large sizing at 19 L x 20 H x 12 W. Derby Originals’ line of hay and bale bags and hay nets have been individually tailored to meet the needs of horses and other equines (donkeys mules etc.) and livestock such as sheep and goats cattle alpacas and llamas and even small mammals such as rabbits and guinea pigs.