Snuggly black organic cotton fleece with two layers of thick organic cotton fleece inside and an additional waterproof PUL inner lining. This night pad will catch trickle leaks and match your period knickers! Honour Your Flow pads have organic cotton fleece as the inner layers, making them thick and absorbent. It also has two sets of poppers to prevent any sideways slipping. Machine washable up to 60'. Many women prefer the cotton fleece option for night pads as it is ever so slightly thicker than the velour.