Carter's 3 Piece Baby Booties and Wrist Rattle Set (0-6 Months) Cute baby rattle has velcro closure to fit comfortably on baby&#39;s wrist Rattle:100% polyester exterior &amp; 100% polyester fiberfill / Booties: polyester exterior and polyurethane foam fill Carter&#39;s - Size 0-6 Month Soft and comfy furry slip on booties have sweet smiling puppy face and two little ears on each side Machine washable