Double Structure
Become Tough
2層構造で耐久性アップ
もっとも衝撃を受ける外側と小銭を受ける部分で一枚の段ボールを使用していましたが、片面段ボールをもう一枚内側に敷くことで小銭を受ける側にクッション性が加わり、耐久性もアップしました。
The wallet was used a piece of cardboard to the side which was damaged by shock from outside of things and inside of coins. But now it has become more safe and usable by using one more one-side-cardboard because the cardboard is worked as shocked absorber.