Handmade with 100% certified Baltic amber. Helps to relieve pain and inflammation. Must be in contact with the skin. May be in contact with plain water, however it is preferable to remove it before bathing or swimming to increase its lifespan. You should be able to run two fingers along your baby’s neck under the necklace. The necklace must never reach passed your baby’s chin. This product has a safety release and is tested by a third party lab & meet all safety standards. Parent/adult must supervise children at all times when wearing any type of jewelry. Necklace must be fitted properly & taken off at night time. Please refer to our proper sizing guide to choose the adequate size for your child.All our Balticamber is certified by Gemological Institute of America. The specific colored stones/beads used on the limited edition necklaces are for decorative purposes only.