1. Polyester jacquard material is comfortable, sweat absorbing, firm and soft, which can effectively relieve neck pressure caused by long-term shooting 2. Two ends: black imitation leather connection, high density nylon wire 3. 1cm wide webbing, suitable for all accessories, with non-slip, high strength, high toughness, waterproof sweat absorption and other characteristics 4. Single set of accessories: Japanese buckle, square buckle, aircraft buckle 5. Production process: embroidery 6. Specifications: main belt length 67cm wide 3.8cm, the second belt length 38cm wide 1cm, total length 143cm 7. Gross weight: 65 grams According to installation steps: 1. First of all, pass the strap through the fuselage and the strap ring, and then pass the front part of the strap through and out from the outside, and then pass it to the fixed ring. 2. Loosen the buckle of the lower strap slightly, leaving enough room to slide the strap through the inside of the buckle. 3. After the strap is in, slightly pull out the strap of the latch, fold the strap back and forth, and put it on the lower side of the latch. 4. After adjusting the length, tighten the straps and secure them with immobilization.