These are 50 BRAND NEW Glossy, WHITE record jackets for 12" Records. These go over a record that is in a paper or plastic inner sleeve. They're perfect for saving your original jackets from ring wear - simply store the record in these new jackets and you don't have to worry about ruining the original and often valuable cover! The dimensions (length being spine to the opening and height being closed edge to closed edge) are 12-1/4" x 12-3/16" (or 311.15mm x 309.58mm).