These menstrual pads have a bamboo charcoal inner lining and a waterproof outer layer, making them super comfy and super absorbent, as well as leak proof. they are easy to care for too, simply rinse under cold running water after use, then add to your regular washing load, and line dry. They are wider at the back to give an extra bit of cover over night. Colour will be randomly selected. Measurements - approx 31cm length x 18cm across the clips.