Lil & Izzy knotted hats are designed to keep little heads warm and cosy - a necessary accessory for any new-born baby or toddler. The knot function allows you to make the hat bigger or smaller on your baby's head so it fits just right. Made from organic cotton & elastane, for a little stretch. It will keep your babies head warm & breathable. 95% Organic Cotton 5% elastane GOTS & OEKO-TEX Certified Non-toxic, echo friendly dyes Lead & nickel free Ethically and sustainably made