Silver Keyring 18th 21st 30th 40th 50th 60th 65th. A selection of Sterling Silver special birthday Keyrings in the shape of numbers 18,21, 30, 40, 50 or 60 or 65. Each Silver Keyring is fitted with a nickel split ring and measures approx 2.5cm x 2.5cm. Each special birthday Silver Keyring and can be engraved on the reverse side. The Silver embossed Keyring with the numbers of your choice are fully hallmarked and presented in a box.