Our wooden Teether’s are individually made for the highest quality. They have two wooden rings on a band of silicone beads. The Teether’s wooden rings provides relief for both back and front teeth and promotes fine-Motor development. The rings will hit against each other creating a soft rattling noise. To clean: we suggest not submerging then but wipe with mild soap and water, you can also use a food grade/ baby safe sanitizing wipe. WARNING- never leave your baby unattended while playing or chewing on the Teether. The Teether’s are made to be durable but always check for weathering. Once the Teether’s are sold and shipped to consumer, Itsy Bitsy Baby Company waives all responsibility and liability from the use of the Teether.