The CobraCo 36 in. Horse Trough Coco Liners Poly-Bag gives you the ability to refresh and restart your troughs or baskets. In the spring or any time during the year, all you have to do is drop in this liner and you're ready to get planting. This liner offers effective drainage through a body that's made of 100% coconut fibers. It can easily be folded or cut for a perfect fit, and it's bio-degradable, so you can throw it away or even bury it when it's time for the circle of liner life to restart anew.