Come and see our amazing products. Comfortable fit to the neck: round design, 360 free rotation. And the curve of the neck fits naturally. No pressure on both sides of the face, multi-faceted protection. Small & easy to carry: it only has the size of a palm when it is contracted, it can be easily folded and fixed in a backpack or pocket. Press-type inflation: self-contained air system, you can complete the inflation by gently pressing, avoiding the trouble of blowing with your mouth, and it is safe and labor-saving. Anti-leakage design: exquisite composite rubber sealing technology, which makes the joints more tightly sealed, with new anti-leakage device, more sealing and is not easy to leak. Pls confirm with us about the packing info, stock color and exact production time before placing your order.