The product is a 13 CDs set by the artist Double featuring songs in the R&B & Soul genre, with a Japanese language. The albums include titles such as "Crystal", "Wonderful", and "Life is Beautiful", released between 1999-2011 under the record label FOR LIFE MUSIC ENTERTAINMENT. The CDs come in a jewel case with a paper slipcase, the inlay condition is graded as Very Good Plus (VG+), and are considered both Standard and Limited Editions. This imported set is a must-have for fans of J-POP music looking for a unique and authentic sound experience.