Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Material: cowhide / high transparent thick mesh4.Application: 80/96/120 bass accordion5.In order to improve the comfort and breathability without affecting the firmness of the strap, the shoulder contact part of the product is made of high-transparent mesh with a thickness of 3mm, and other positions are processed from cowhide.Specifications:Material: High transparent thick meshColor:BlackSize:605x73x31mm(LxWxT)/23.81x2.87x1.22inch(LxWxT)Length: Approx. adjustable range 88cm-110cmWidth: 7-7.5cm wideWeight: about 0.4-0.5kg per pairThickness: Thick position about 1.5cmWeight:148gPackage include:1 x Accordian Strap2 x buckle