DARK CRYSTAL 3 Piece Film Cell Collection Collectible Movie Memorabilia Bookmark is 6" x 2", Matte is 4" x 6" with COA on reverse. 3 Piece Film Cell Collection. Film Cells will vary yet only the best are used in these collections. Film Cell Bookmark, Keychain and Matted Display. Keychains are approx. 1 1/4" square.