When it comes to a thirsty nappy, this is it. Matched with a LittleLamb bombproof wrap it'll contain most of what your baby can throw at it. The size 1 nappy fits babies from around 7lbs - 20lbs (3kgs - 9kgs) which is generally the age range newborn to nine months.Each bamboo nappy also comes with a washable fleecy liner.All Littlelamb bamboo yarns hold current Oeko-tex certification.