gRefills are made of cellulose, fluff pulp and super absorber. gRefills are an absorbent diaper insert that tucks inside little gPants diaper covers. Get them by the package as you need them, or buy by the case so you have plenty on hand. Biodegradable gRefills are plastic-free and have no elemental chlorine, no perfumes, no smell and no garbage, and no guilt. They come in two sizes: small gRefills fit tiny and small little gPants, medium/large gRefills fit medium, large and extra large little gPants.