The 9 Count Hollister 8805 Adapt CeraRing Barrier Rings are designed for use with ileostomies and colostomies. These 2" rings have a 4.5mm width and a 2" opening diameter, making them suitable for a variety of ostomy sizes. Manufactured by Hollister in the United States, this box of 10 barrier rings is suitable for daily living and medical use. With an expiration date of 2030, these barrier rings provide a secure and comfortable fit for patients in need of ostomy aids.