The product is a rare Mexican Norteño cassette tape featuring artists Bertin Y Lalo - El Derrumbe, sealed and new. The record label is Él, and the genre is Latin music. This cassette is a unique and sought-after find for collectors and fans of Latin music, particularly Norteño. With its sealed packaging, the tape is likely to be in pristine condition and ready to enjoy the music of these acclaimed artists.