【Velvet Material】Our neck Traction device made of soft and comfortable velor. This velvet material will not hurt your neck, just give you a soft touch, and allow you to move freely. 【Simple Inflation】First, squeeze the ball into the raised part, then tighten the nut on the air pump, then inflate the pump until you feel comfortable. Finally, push the ball out of the raised part and push it into the pipe to avoid air leakage. When unloading, first push the bale into the raised part. Then loosen the nut on the pump. Finally, press gently to release the gas. 【4 Layers of Air】 Has 4 layers of air which can better protect your neck and provide the best support. Can adjust according to your neck length. The cervical traction device is fully adjustable to any size and can be used by both men and women. 【Easy to Carry】 You can fold it anywhere. Easily put in luggage for travel, office. For best results, use 2-3 times a day for 15-30 minutes each time. It is a great gift for your friends and