Audio Cassette Tape Head Cleaner & Demagnetizer for Car, Home and Portable Cassette Players specification： 100% new and high quality Material：plastic Color：White Size：10 x 6.5cm / 3.9" x 2.6" Features: 【Why You Need It?】Clean the player head and maintain playing out premium sound quality. 【Scenes to be Used】Multiple usage scenarios, home cassette player, car cassette player, etc. 【Easy Operation】 Put 3-4 drops of cleaning liquid on the cleaning tape and play as normal cassette. 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. 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.