Wood + Leather Teethers! The body and head are made from natural, untreated and PEFC certified beech wood. The leather ears are natural, free from chemicals and untreated. In addition to being soft, chewy and perfect for the little ones to sink their teeth into, the leather will age beautifully, starting to shift in shades with age and use. Comes packed in a cute sliding box, perfect to give as a gift.