PU Leather.Imported.Polyurethane sole.BABY BOOTIES : Our baby booties are made of 100% top quality PU leather. After repeated safety tests, there is no irritation to your baby& 39;s skin. Our boots have two kinds of lining, with and without fur, please distinguish them when you place your order.EASY TO TAKE ON/OFF : The infant shoes with soft soles and elastic openings, prevents the shoes from being kicked off by the baby. The boots keep stay on your baby& 39;s foot ensure the safety of the baby.SIZE : Please measure baby& 39;s feet length first and choose your shoes size refer to our size chart, some buyers said the size is a little bigger, please choose size carefully.SOFT AND COMFY : Soft, durable and anti-slip sole offer lightweight comfort stability and super comfort soft when walking soft. Lightweight and anti-slip sole is well-crafted to make walking feel natural. Perfect for newborn, infant and firstwalkers.GUARANTEED : We& 39;re so confident in the quality of our baby booties. If at any point you arent satisfied, please Email us immediately, and we will reply you in 24 hours and provide you a most satisfactory solution.