Charm easily attaches to any hearing aid without causing damage. Tubing on the reverse of the charm means they simply slide onto the hearing aid tubing. These are available in many other designs and can be made to order. Inbox me if you have a request or visit my Facebook page for more designs. Hearing aid charms are also available in your child's favourite characters. Fun designs which encourage your child to wear their hearing aid(s). www.facebook.com/tubecharms
