This multi-pack of bamboobies Washable Nursing Pads includes 3 pairs of ultra-thin regular pads. bamboobies eco-friendly nursing pads are made of ultra-soft and soothing bamboo rayon velour with an absorbent inner layer of cotton and outer milk-proof liner to help prevent embarrassing leaks. The ultra-thin, heart-shaped regular nursing pads are made for light leaking and are designed to be less visible through clothing.