Ready to Ship (RTS) - Newborn (NB) — fits approximately 8–18 lbs Our handmade Newborn Preflat is designed to make those early diapering days a little easier. Sized perfectly for your tiniest babe, it offers a flexible fit that works with your favorite cover — no stuffing, no fuss. Handmade — small batch, made with care Easy washing and quick drying 2 layers of natural fiber - printed Organic Cotton Stretch French Terry and Natural Bamboo Hemp Stretch French Terry Comes with a matching 3 layer contoured booster made with printed Organic Cotton Stretch French Terry, Bamboo Hemp Fleece and a solid Natural Bamboo Hemp Stretch French Terry Please note: This diaper requires a waterproof cover & pins/snappi. Wash warm/cold, tumble dry low or air dry only. No bleach or softeners. Natural fabric is undyed.