All tampons are designated by absorbency and absorbency ratings are standard among all manufacturers so you can compare absorbencies among brands. All Super Absorbency Tampons absorb the same amount (9-12 grams). To reduce your risk of getting menstrual TSS, select the lowest absorbency to meet your needs. Our comfort-coating and smooth, rounded tip are genuine comfort innovations. A unique finger grip makes o.b. easy to use. A woman gynecologist designed o.b. with rolled layers for gentle, all-around expansion to help prevent leaks. 8 channels help o.b. expand evenly for a natural fit.