Features: Brand new head cleaner and demagnizer For Most? audio cassetts players made car, Home, or portablecassette players Automatically reverses when finished! Advanced be kind rewind technology Demagnetizes and cleans head, capstan, pinch rollers. The tape can be used over and over until the liquid is finished. Every time you play, forward and rewind an tape cassette, it will leave oxide and other residues on the cassette player's head. This will cause unwanted noise and lower quality while playing or recording and reduces the life of your device. Specification: 100% new and high quality Material:plastic Color:White Size:10*6.5cm / 3.9*2.6inch Package include : 1 x Head Cleaner Cassette 1 x Head Cleaner Solution Note: There is 2-3% difference according to manual measurement. Please check the measurement chart carefully before you buy the item. Please note that slight color difference should be acceptable due to the light and screen. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.