Hay Bale Bag, 1/2 bale sizeHay Bale Bag, 1 2 Bale Size Store and transport up to a 1 2 bale of hay with no mess in the trailer tack room or car trunk. This bag zips on three sides like a lid, so you can fit it over the hay, roll it over & zip it up. The heavy duty vinyl construction with heavy duty zipper are extremely durable and waterproof, and we think it is the best constructed 1 2 hay bale bag available. Also ideal for protecting a saddle, show clothes or other horse gear.