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.Made of PU Leather, with metal buckles.4.Suitable for 9.910.1cm.5.Accessories for Bass Accordion.Note: Please measure your Accordion hole center distance before purchase.Specifications:Material: PU Leather + MetalColor: Black + BeigeSize: 14 x 2.8cm/5.51 x 1.1 inches(L x Max W)PU Leather Strap Tickness: 3.5mm (Not including buckle)Hole Center Distance: 10cmWeight: 27gPackage include:2 x Accordion Bellow Straps4 x Buckles