付一個塑膠盒
空間裡面還有吊環可以吊東西
不過那個塑膠盒設計成壓在自己背的東西上面？
https://i.imgur.com/71HB2UC.jpeg
https://i.imgur.com/kYyyFkX.png
https://i.imgur.com/z7lfTyg.png
https://i.imgur.com/vPjX43h.png
https://shop.hololivepro.com/products/hololive_holokatsu_bigsquarebackpack?_pos=
1&_sid=6d2d70478&_ss=r