[EASY CLEANING] The replacement foil head is easy to install and remove. Clean the razor before installing the shaving foil. [SERVICE LIFE] The lifespan of the foil and cutter replacement head depends on your daily use frequency. It is generally recommended to replace it every 9 to 12 months to ensure your best experience. High-quality materials, continuous, efficient and easy to use. Changing the shaving head can increase the shaving effect by 25%. For best performance, clean regularly. Replace the head to restore your shaver to 100% performance Product: Shaver Head for Electric Shaver Material: Stainless Steel Color: Silver Package Contents: 2 x Replacement Shaver Head (Double Layer Cutter Head) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.