Blunt Tip Cannula Product Application: 1. Used for filling hyaluronic acid. 2. Can be used in face and human bodyProduct Specification: 1. Round tip to avoid damage 2. with 10mm scale, easy for doctor to use. 3. Made of high quality stainless steel, Flexible and elastic 4. the size and length is available as client's requirements. Size: 18G,21G,22G,23G,25G,27G,30G Length:25mm, 38mm,50mm,70mm,90mm,100mm, customzied length 5. Sterile blister package,a pack includes a sharp injection needle and a blunt tip cannula.