ConvaTec Adjustable Ostomy Appliance Belt with Plastic Buckle, Adjusts up to 42" L ConvaTec Adjustable Ostomy Appliance Belt Loop Adjusts up to 42" and provides added security and confidence with your accessory. For durability and reliability, choose ConvaTec ostomy belts and other ostomy supplies. ConvaTec, leading the way in safety and trust. It offers a greater sense of security. Adjustable up to 42". Fits on the belt in sur-fit Natura and sur-fit Autolock pouches.