Flow: Equivalent to an overnight or post-partum absorbency pad. Size: The size of each pad is comparable to an overnight or post-partum disposable sanitary pad. Each pad measures 36cm x 8cm (14inch X 3.5inch excluding wings). Composition: comprised of 5 layers, upper layer is 1 layer of soft and smooth charcoal bamboo against your skin, inner layer is 3 layers of microfiber which is super absorbent and the outer layer is 1 layer with a waterproof PUL backing to prevent leaks. Secure: The wings have 2 snap sets allowing them to be clipped around underwear for extra security.