- About the product Package: 2 pcs for you for 2 nights heavy flow days regularly, you could send me a message about the your favorite patterns or we deliver them per the picture you ordered. 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 16″ X 3.5″ (excluding wings). Composition: comprised of 4 layers, upper layer is 1 layer of soft and smooth charcoal bamboo