Oxyfit Exercise Trainer2PCS Adjustable Resistance for Training

【Hight Quality Material】Exercise trainer---Made from super flexible pure silicone and Hight quality material ensures comfortable and the durability of our training device,easy to clean and adjustable resistance Settings, 【INSTRUCTION】 Take exhalation and inhalation as a set of 10 to 15 times of exercises, do 2 to 4 sets of simple Exercise exercises per day, 【ESSENTIAL FOR EXERCISE】trainer is suitable for high-energy training sports such as walking, running, swimming, cycling, martial arts and outdoor activities, 【Portable and Compact】trainer is light and easy to carry, so you can use the trainer anytime and anywhere