This is a collection of CHAGE&ASKA merchandise catalogs and flyers. Some items are not catalogs. They were likely enclosed with fan club newsletters or distributed at merchandise sales at live venues. Most are B5 size. There are 6 booklets, each with 8 to (at most) 36 pages. There are 4 single-sheet flyers. There are 8 leaflets, such as accordion-fold or tri-fold catalogs. Due to the large quantity, please forgive the lack of detailed page counts or content descriptions. This is for those who can make judgments based on the product titles, descriptions, and images provided here.