Nostalgia at its finest!</br>Manufactured using one of the original dies for making the classic plastic inserts for 45 R.P.M. seven inch vinyl records.</br>Fun and functional?? the non-slip design is a perfect fit for large hole?? or dinked?? 7 inch records.</br>Made from black plastic. Perfect fit. Non-slip. Snaps right in!</br>Allows 45 rpm records to play on a standard 33-1