Just like the real body part, this knee joint shaped keyring moves at the joint! This unique and fun promotional product measures 5.5″ x 5″ and is a perfect giveaway suited for hospitals, radiology clinics, chiropractors, rehab facilities and much more. Customization is offered, so put your brand name, logo or marketing message on display. This product is not intended for use by children or pets. It may present a choking hazard to children under 3 years of age.