Comfortable to wear while playing. They provide a good assistant for your accordion practice and performance. Fits 16-120 Bass Accordion: These straps are adjustable from 84-101 cm in length, suitable for 16 to 120 bass accordions. They can be easily adjusted to the desired length for a comfortable fit. EASY INSTALLATION WITH STURDY BUCKLES: These accordion straps feature sturdy buckles that are very easy to install and secure in place. They a reliable and stable connection between the straps and the accordion. Freely adjustable, suitable for use at different heights. fabrics, breathable design, strong, tough and soft. Moderately adjustable, safe and sturdy. Freely adjustable, suitable for different heights,Tough yet soft, five metal buckles can be adjusted moderately, safe and secure Colour:A:Black Material:flannel Package Contents: 1 x Accordion Straps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.