This 15" super-heavy flow CSP is suitable for those with a very heavy flow, as a nighttime pad for heavy flow or for post-partum use. With organic cotton topper, they so super-soft and comfortable to wear during your period or post-partum.  A snap closure keeps the pad in place. The fabric layers work together to ensure comfort and absorbency and reduce leaking issues.  The outer layer, which is worn next to the skin, is made of soft organic cotton jersey fabric , in a pretty pattern. The pad is backed with anti-pil polar fleece to prevent leaks.  An environmentally-friendly alternative to disposable pads. CARE: Fabric has been prewashed and dried prior to assembling. Fabric: Top: cotton jersey Core: Core: ZORB 3D Heavy Duty + HOBF (Heavy Organic Bamboo Fleece) Back: WindPro Polartec Fleece If your pads have any stains/blood stains, you may soak them in cold water with baking soda or salt or any oxygen detergent for a few minutes to remove staining. Then, put them into the washing machine and wash on a gentle wash, low temperature with your regular laundry. DO NOT tumble dry. Dry flat.Please, be aware that fabric softener may cause fabrics to repel liquid.