Features: Spare or extra snap-in absorbency for our BASICS nappies. Suede cloth-top bamboo and organic cotton insert. Perfect to add extra absorbency to our Easy One Size Nappies, or replace existing inserts. Each snap in booster is 3 layers of super thirsty up to 450gsm fabric. Extra inserts are great to have on hand - especially in winter when they take longer to dry!