Features: brand new and high quality Features：The tape belts are made of high quality rubber, strong wear resistance, not easy to deformation. It can be widely used in recorders, CD-ROM video machines, Walkman, DVD drive Uses: DIY toy synchronous conveyor belt and so on. Each package includes differen lengths of beltst ，a total of 20, can meet the different needs of daily life. 20Pcs 1x1mm Round shape tape machine belts fit most cassette tape machine. It's a good replacement for your already broken belt. Specifications: Specifications: Material: Rubber Belt Shape:Round shape Folded Length: Approx.20-85mm Width: Approx.1mm/0.04in Color: Black Note: note: Please allow 1mm errors due to manual measurement. Package includes: 20Pcs Cassette Belt