Slow Eating. Top Loading. 1 1/2" Square Webbing. Who doesn't need this feeder This feeder is great for encouraging horses to eat more slowly and keeping them busy when tied to the trailer. This bag is 21" Tall x 21" Wide with a 9" Wide Opening. It has 1 1/2" Square Webbing. This durable hay feeder loads from the top and is easily hung up with two detachable straps that can adjust to almost any height. Professional's Choice Style Number PCHBS.