Quality Material: The accordion straps are made of premium nylon material, ensuring durability and resistance to wear and tear. Thickend and Waterproof: Thicken belts are comfortable to use and less fatigue for long time practice. The nylon material used in the accordion straps is waterproof, providing protection for your instrument. Adjustable Size: This Accordion Shoulder Harness can be adjusted from 57cm to 122cm (22.44inch to48.03inch), making them suitable for a wide range of accordions from 16 to 120 bass. Synthetic Rubber Material: In addition to the nylon, Shoulder Belts Straps for Accordions also feature synthetic rubber material which adds to their durability and comfort. Package Includes: Each package comes with a pair of accordion straps, for replacing old or worn-out ones on your instrument. Specification: Material: Nylon Size Chart: Length: 57cm to 122cm/22.44inch to48.03inch Width 5.5cm/2.17inch Narrowest point 2.5cm/0.98inch Package Includes: 1 Pair Accordion Shoulder Straps Note: Please allow slightly errors due to manual measurement and different monitors.