SPYAIR ARENA TOUR 2016-2017 『Mafuyu no Dai Circus』 can badges that can be purchased at the concert venue/s
http://www.sonymusic.co.jp/artist/spyair/info/477111
18 designs in total , randomly allocated . There will be 1 secret can badge design allocated per concert date
JUST LIKE THIS 2016 DVD 1st day ranking - #3 (Music) ; #4 (General)