Acer 712 (Acer C871) Rugged Snap-On Case - InfoCase
OEM Acer Chromebook 712 C871, C871T Motherboard [4GB/32GB] - Global Direct Parts
mCover Transparent Hard Shell Case Cover for Acer Chromebook 712 C871 Series 2020 12" Inch (will not fit any other laptop) : Amazon.de: Computer & Accessories