Features: High Compatibility: Suitable for a wide ranging of brands and models of recorders, widely used for different equipment needs. From high elasticity rubber to ensure abrasion resistance and durability, providing stable performances. Thickness 1mm: standard thickness perfectly balances strength and flexibility to ensure good transmission. Multiple size : width ranging from 35mm to 190mm, meet the needs of different types of recorders, users can choose according to their needs. Superior elasticity: with good elasticity and flexibility to ensure that it withstands high-frequency frictions and stretching during use. Anti-aging treatments prolongs the service life and effectively reduce the frequency of replacement. Specifications: Component： Rubber Quantity: 240PCS Thickness:1mm width ranging from 35mm to 190mm Package Includes: 240PCS Rubber Belts note: Due to problem of lighting,there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurement