The Mia teething rattle is a combination of beech wood and BPA free silicone. Our rattles are handmade in house. All handmade items are completed in house located in Houston. We also distribute from Houston. The rattle is not only a rattle but a teether as well. There to not only stylish but also a great source of soothing for baby. Our rattles should be gently washed by hand and pat dry.