Infant Puppy Bunting Costume This Infant Puppy Bunting Costume is cute, cozy and warm-perfect for your baby’s first Halloween Costume! The baby costume features a super soft, plush bunting with attached puppy hood and soft dog bone. Great infant costume for Halloween or photoshoots! 100% polyester. Available Sizes: Fits infants 0-6 months, height 20″-27″, weight 8-18lbs.