Torbot Celebration Ostomy Support Belt Medium, 2-3/8" Opening, 31" to 34" WaistThe Celebration belt has an opening of 2-3/8". This will accommodate most standard pouches used by ostomates. The belt can be comfortably applied on either the right or left side and is adaptable for Colostomy, Ileostomy, and Urostomy patients. To measure for the proper size belt; Take a measurement around the body at the level of the stoma, while laying on a flat surface.