bamboobies® Overnight 2-Pair Pack Washable Nursing Pads are ultra-thin and made of super soft rayon made from bamboo and cotton velour. The ultra-absorbent hemp core helps keep clothing protected.bamboobies Overnight 2-Pair Pack Washable Nursing Pads are ultra thin, heart-shaped pads that help minimize wrinkling, and provide protection. Designed for light leaking. Made of super soft rayon made from bamboo and cotton velour. BPA free. Includes : 2 pairs of overnight nursing pads. Imported.