'Eco Baby and Me' Waterproof nappy cover (Wrap) features a lovely soft water resistant outer PUL (Polyurethane Laminate) which is a wipeable cover with a comfortable wide back elastic, the added protection from leaks with our double gusset, 4 rise settings for a one size fits all birth to potty. Size Guide: One size fits all birth to potty - 10lbs - 37lbs (4.5kgs -16kgs) Care Instructions: Dry pail only, Wash at 40 or 60 degrees, Do not tumble dry, Do not use bleach or softeners, Line dry is best or on clothes airier *Please note it can take up to 10 washes for the inserts to reach full absorbency* Materials Used: Nappy Cover and the removable liner: 100% Polyester (OEKO-TEX confidence in textiles Standards 100 Class I) Booster: 81% Bamboo and 19% Polyester (OEKO-TEX confidence in textiles Standards 100 Class I) OEKO-TEX confidence in textiles Standards 100 Class I - This means that it has been tested and found completely free from harmful chemicals and that it is safe for humans. Class I is the highest level, and is suitable for use in materials for baby (ages 0-3) Designed in the UK.