Active Lifestyle Products Inc Sure Seal™ Ring Small Round, 1-1/4" to 2" Flange, Latex-free Sure seal ring, small. Fits flange sizes 1-1/4" to 2". Keeps leaks trapped. Completely waterproof. See through, matches any skintone. Skin friendly and hypo-allergenic barrier. Sure seal rings help extend flange wear times by keeping the water permeable tapes and wafer materials that many flanges are made of dry.