DescriptionWorkout mask has breathable and comfortable high-quality elastic pores elastic fabrics, 24-position adjustment lever to adjust the resistance, silicone breathing material more clean and safe, more obvious effect of oxygen barrier.Exercise mask to increase the difficulty of training can get rid of fat, better shape.Features- Color: Black. - Material: Silicone, polyester. - Size: 14 x 14 x 8 cm. - Workout mask has breathable and comfortable high-quality elastic pores elastic fabrics, 24-position adjustment lever to adjust the resistance, silicone breathing material more clean and safe, more obvious effect of oxygen barrier. - Oxygen-inhibiting training masks can effectively improve your oxygen intake. Self-abuse training exercises your heart and lungs, fitness, endurance and explosiveness to stimulate your body's wireless potential. - Exercise mask to increase the difficulty of training can get rid of fat, better shape. - The is suitable for cycling, climbing etc. - Elevation sleeve can increase lung capacity, cardiac function and muscle strength, Workout mask breathing training also can improve oxygen absorption efficiency, physical and mental endurance and training concentration. Every breath becomes stronger, more stable and more efficient during training.
