These cloth sanitary pads (often called CSP) are made of with a top layer of comfortable, super-soft bamboo charcoal fleece which sits closest to your body. There's an absorbent inner layer and a hidden waterproof layer that's made from breathable PUL.The poppers mean your pads stay firmly in place so that slips and leaks are a thing of the past.This medium set is 19x17cm. It's perfect for day time use and comes in a pack of two. Simply choose which design you prefer!Reusable sanitary pads are a bit like reusable wipes - once you've tried them you'll wish you'd swapped earlier.Please note -for hygiene reasons, refunds cannot be accepted