Our Wiggle Proof socks stay right where theyre meant to, on babys feet! Each pair is made with soft, stretchy fabric to cradle those tiny toes in nothing but comfort. We use STANDARD 100 by OEKO-TEX certification on products tested in an independent laboratory against a list of more than 400 harmful substances, including PFAS. This pack includes 12 pairs of terry bootie socks with space themed art.