Not Reversible. This 6 Quart Feeder has a large open top, and a solid one piece construction. Durable, UV protected. Comes with a Peach Teat brand nipple (screws into the bucket). This newly designed bucket is made with a teat opening in the front of the bucket to allow for it to be hung on the inside of a fence or rail. Bottom has small legs so it stands on a flat surface. Inside has a cutout so milk flows to the teat. This feeder is designed & proven to last for years.