Aikatsu Binders (アイカツバインダー) are clutch-like wallets that a player of the Data Carddass Aikatsu Friends! game can use to store their obtained cards.It is a promotional item and can be purchased at the official stores.
In the anime, the idols use their binders for the same purpose.

Aikatsu! Binders

Aine Yūki ver.

  • Release: April, 2018
  • Price: ¥1,620 (inclusive of all taxes)
  • Appearance: A pink-based clutch which is compact, and can be folded to store. The outside flap is hot pink with a cloud-like design in the center in yellow with blue round polka dots and a blue ribbon drawn on the center. The clutch also has a stripe of ping on the bottom with Aikatsu Friends! written on one corner alongside a white musical note. On the inside, the bider can hold one four-piece coord on each page. The inside is pale-pink with a musical stave running across the side upon which is many colorful musical notes.
  • Contents (recieved upon purchase):

Mio Minato ver.

  • Release:April,2018
  • Price:: ¥1,620 (inclusive of all taxes)
  • Appearance: A blue-based compact clutch which can be folded like a purse to store. The outside is a white base with many neon geometrical designs, representing Mio's brand MATERIAL COLOR. The flap has a base of blue and light blue stripes and has three patterned triangles alongside some random geometrical shapes on the left side. There are two gold stars on the lower corner. The inside is made of a blue and pale blue base with the triangular patterns on the right corner.
  • Contents (recieved upon purchase):
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