Please pay attention to the following points when buying keyboard film 1. Please proofread your keyboard and keyboard membrane layout before purchase is the same 2. The keyboard membranes of the same series have many branch models, please refer to the model on the back of the computer for the specific model 3. Some symbols on the keyboard membrane are different from the keyboard, please check the function keys of F1~F12 carefully, if you mind, you can choose a transparent keyboard membrane 4. If you can't distinguish the model, you can send a photo of your own keyboard to the customer service for confirmation. 5. We will chat with you to confirm the model before shipment 6. If you do not reply to the chat, we will wait for 24 hours to deliver the goods according to the picture of the goods you purchased. At that time, returns are not supported. Reduces the wear and tear of the keyboard caused by long-term typing, so that after years of use, the keyboard membrane can be removed and the keys are still bright as new. Unique ergonomic anti-slip design, convenient, safe and comfortable to hold. Flexible and washable, easy to stick and remove for cleaning or disinfection. Prevents keyboard from being damaged by coffee, tea, water, dust and normal wear and tear during daily use.