[EASY CLEANING]The replacement foil head is easy to install and remove. Clean the before installing the shaver foil. [SERVICE LIFE]The use time of the Foil & Cutter Replacement Head depends on your daily frequency of use. It is generally recommended that you replace it every 9-12 months to 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 Colour:silver Package Contents: 3 x Replace 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 the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.