The Teether is made from chewable, food grade silicone beads. The whole product is BPA free and save from birth. Leave me a note, exactly what want engraved on Wooden Rings, otherwise they will stay plain.Please message me or chat to me on here if you would like to make your own designAll our teethers are made to BS EN 71 1-3:2014 Standards and are suitable for babies from birth.Estimated dispatch time 2-3 working days