THICK 2CD (142.3 x 124.7 x 24mm)The material of whole set is P.S. plastic. The outer CD box is transparent with two single plate in black(E002), white (E002-W) or transparent (E002-C). This item provides different options for customers to pack several CDs and is mainly supplied to record co., game co. and video co. THICK 4CD (142.3 x 124.7 x 24mm)The material of whole set is P.S. plastic. The outer CD box is transparent with one double-sided rib and two single plates in black(E004), white (E004-W) or transparent (E004-C). This item provides different options for customers to pack several CDs and is mainly supplied to record co., game co. and video co. THICK 6CD (142.3 x 124.7 x 24mm)The material of whole set is P.S. plastic. The outer CD box is transparent with one double-sided rib and two double plates in black(E006). This item provides different options for customers to pack several CDs and is mainly supplied to record co., game co. and video co.