Marlen Basic All Flexible Mounting Ring Deep Convex 12mm (1/2 Inch) - Adjustable Eyewear Nose Pads for Glasses - Perfect for Reading, Computer Use, and Daily Wear

Marlen Basic Deep Convex All-Flexible Mounting Ring is soft and flexible with the deepest convexity. Accommodates stoma openings of 1/2" to 1-5/8" (1.27cm to 4.13cm). Compounded of green neoprene or white vinyl. For flabby abdomens and short or flush stomas where deep convexity is needed and an all-flexible ring is desired.