日本のサッシは引違いサッシが多いので、ペットも人もストレスなく同じサッシを通れることが一番求められていると思いますが、この製品はガラス面に取付後の出っ張りが8~9mmなので、引違いサッシもギリギリで開閉が可能な画期的な商品です。Many sliding glass windows are used in Japan; therefore, it is most required that pets and people can use the same windows without stress. This G-SDDSL product is perfect to solves this problem because it has a protrusion of 8-9mm after mounting on the glass surface and windows can be opened and closed without hitting each other!