沸々と人気を集めている「ゆびわゴム」by Sugai World、素材はシリコンなので、わりと丈夫です。
"Soft Ring" of Sugai World is a stylish ring made from silicone. It is useful and also very tough!
Here is a movie which Sugai World produced for proving its toughness and introduces how to use.
台紙は捨てずに取っておくと、
ゆびわゴムがピトっとくっついて保管に便利です。
ご購入はこちらから