Extreme Sports Oxygen Blocking Mask Training Mask

Product information:
Main raw material: Fabric
Scope of application: Sports, weight-bearing, rehabilitation training

Features:
1: Using food grade silicone, soft and comfortable, with a design that fits the curve of the face
2: Using high-quality cotton fiber pore elastic fabric, comfortable and breathable, strong fixation, not soft
3: Toggle the adjustment lever to adjust the resistance, 6-speed lifting joint
4: Non-toxic silicone breathing film is cleaner and safer, and the oxygen blocking effect is more obvious
5: Comes with exquisite box packaging, let it accompany you with you, let the exercise move at any time