Wooden Ring Teether Green Features Babies Will Love This Mouthguard! Its Wooden Ring Is Made Of Beech Wood. Its Knitting Is Made Of 100% Cotton Yarn By Handcrafting. It Does Not Contain Paint, Polish, Toxic Substances. Thanks To The Durable Structure Of Beech Wood, It Can Be Used Safely For A Long Time. Usage: Wash Gently With Warm Water And Leave To Dry.