This product is an add-on for our Bone Keyrings (#24046, #24047, and #24048) to create extra space for imprints and information. The price is $0.28 (v) to the price of the keyring. Products are not intended for use by children or pets. They may present a choking hazard to children under 3 years of age. Two sizes/shapes available 2432918: Round 1"x1" 2432919: Rectangle 1.25" x .75"