The Nappy Liners are a thin layer of fabric that goes on the inside of cloth nappy. They're designed to catch solids and make it easier to dispose of poo. Features: . 100 Sheets. 100% Biodegradable. 100% Natural Cotton. 100% Natural Fibre Content. Measurement 24 cm X 34 cm . For use with washable or disposable nappies. Tear-resistant, even when wet. One-way moisture protection allows your baby to stay drier. Protects your washable nappies from balm and cream residue. Soft and gentle on your baby's delicate skin. Not recommended for use with septic tanks.