Double-function mask: the goggles in front of the mask are dismountable. It is assembled on the mask to guarantee your safety. After dismounted, it becomes light and convenient goggles. Double function is a main feature of this product.
1. First-invented goggles for mask: the goggles are connected to the head band at rear part of the mask. It can be dismounted easily. It is a first-invented product with double functions in the world. 2. Neck guard: the adjustable neck guard can be removed or installed according to user’s needs. Compared to masks without neck guard, this mask is easy to use, safer, and more practicable.