This is a combination of an Israeli gas mask (around 5000 yen) and a genuine rebreathing system from RUBBER SHOP.NET in the UK (around 7000 yen). You can immediately engage in breath play! ■Product Details (A) Israeli gas mask, adult M size (B) Rebreathing system (bag, 2m hose) ■Product Condition The Israeli gas mask is used. It has been stored with oil applied. The rebreathing system is unused, but has been stored for a long time. Please refrain from purchasing if you are looking for a new item. Please bid only if you understand this.