Pinit Album Jacket Frame INSERT. Clear 4 mil mylar sheet fits into back of the ALPJFK frame. SKU: ALPJFS (0)No Reviews yet Add to Shopping Cart Details Album Jack Frame Insert Keeps Back of Jacket ProtectedPET Sheet 13.125 x 13.125. 4mil.Clear mylar sheet fits into back of product alpjfk.Keep back of ... Details Back DetailsAlbum Jack Frame Insert Keeps Back of Jacket ProtectedPET Sheet 13.125 x 13.125. 4mil.Clear mylar sheet fits into back of product alpjfk.Keep back of record jacket free from dust, dirt and fingerprints. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review