Reusable breast pads - ideal for pregnant or nursing mothers.MaterialsHemp, bamboo and a breathable waterproof PUL layer. Approx 4 inches.How to care for them...They're super simple to care for! Simply wash them in your normal laundry load and leave to dry naturally.These fabrics are liable to shrink when laundered by up to 10%. To minimise shrinkage wash cool and do not tumble dry. We also suggest you avoid fabric conditioner to maintain absorbency.