Thank you for viewing! A ring-shaped skin barrier that can be used in conjunction with a faceplate to create a shallow convex structure. Oval type is for stomas with different vertical and horizontal sizes. Hollister Product Number 79603 Adapt Convex Skin Barrier Ring Oval Type Size: 38 x 56mm Quantity: 10 pieces per box x 2 sets Expiration date: April 1, 2029 Made in the USA This is a new, unused, and unopened item, but it has been stored at home. Thank you for your understanding.