[Material] https://farm6.staticflickr.com/5819/20730329229_2bc18d1a2f_o.png [Product Precautions] 1. The photo angle will be different from the setting of each screen label because of the shooting light. [Precautions for selecting product specifications and sizes] 1.Mac Pro 13-inch: For MacBook Pro 13-inch "with optical drive" before October 2016 2. Mac Pro (with Retina) 13-inch: For MacBook Pro 13-inch "No Optical Drive" models before October 2016 3.Mac Pro (with Retina) 13-inch (2016): Suitable for MacBook Pro 13-inch (models with Thunderbolt 3 (USB-C); with & without Touch Bar & Touch ID) after October 2016. [Macbook crystal case installation and removal instructions] **How to properly install Macbook protective case instruction film (front and rear cover)** https://youtu.be/ST5FifiYZoE **Instructions for removing the case of the Macbook with bare hands (front and rear covers)** https://youtu.be/fkVku2m-xFw **Using a card to remove a Macbook case description video (front and back covers)** https://youtu.be/mhGw2XVfxm8 [Precautions for sending to mainland China] Due to SF Express shipping requirements, please be sure to note the "company name" of the recipient when checking out, otherwise we cannot send it. If you are unable to provide the "company name", it is recommended to use Pinkoi international forwarding service, please refer to https://www.pinkoi.com/magz/1fi34z1e details.