A. It is of durability. B. Features: 1. Made of rubber material, it is strong, stable and durable. 2. Tape drive belt, with stable operation and no vibration. 3. Widely used in devices such as tape recorders, disc video players, Walkmans, DVD drives, etc. 4. Only includes the drive belt, and other accessories in the picture are for demonstration purposes only and not included. C. Specifications: 1. Item type: Drive belt 2. Material: Rubber 3. Dimensions: Folded length 25 - 135 mm (0.9 - 5.3 inches), width 1.2 mm (0.04 inches) 4. Color: Black 5. Belt shape: Square 6. Quantity: 30 pieces D. Precautions: 1. No retail packaging. 2. Conversion: 1 cm = 10 mm = 0.39 inches 3. Due to manual measurement, a 1 - 3 mm error may occur. Please make sure you don't mind this error before placing a bid. 4. Due to differences between different monitors, the picture may not reflect the actual color of the item. Thank you for your understanding. E. Package contents: 30 drive belts