All Cunill® Sterling Baby Rattles are handmade and Made of 93-94% pure silver, Cunill Rattles surpass the industry standard of 92.5%. Each rattle is protected by state of the art, environmentally friendly, tarnish preventative lacquer to ensure a long lasting, high-quality silver product. Cunill Baby Rattles are ideal for engraving text and symbols, maintaining 0.4-0.8mm silver-thickness as opposed to the industry standard of only 0.3mm. (3.5" L). These baby rattles use the classic shapes common to baby rattles and comfortable for baby's grip. One cannot go wrong gifting a little one with a baby rattle!