>>694
Geekia ヘッドホンカバー 織物 防塵 洗える 弾性
https://images-na.ssl-images-amazon.com/images/I/71sNM7n%2BQbL._SL1100_.jpg
https://images-na.ssl-images-amazon.com/images/I/61TjPBO%2B03L._SL1100_.jpg
https://www.amazon.co.jp/dp/B07BV2F1YZ

S : 4-8 cm
M : 8-11 cm
L : 11-16 cm