The BabyBj?rn Soft Bib is ergonomically designed to fit a child's body. The neck is designed like a necklace with continuous fastening, so it can be adjusted to fit your child perfectly. All BabyBj?rn product only contain materials that have been thoroughly tested. All materials that will come into contact with food are food-safety approved. BabyBj?rn does not use chemical additives such as cadmium, lead, bisphenol A (BPA), phthalates, bromine or chlorine. In addition, their plastics are also PVC free and recyclable!