Designed and molded exclusively for theAcer Chromebook 512 C851T/Chromebook Spin 512 R851TN/Chromebook Spin 512 R856T/Chromebook 712 C871T/Chromebook Spin 512 R853TAAcer Chromebook 512 C851T/Chromebook Spin 512 R851TN/Chromebook Spin 512 R856T/Chromebook 712 C871T/Chromebook Spin 512 R853TAAcer Chromebook 512 C851T/Chromebook Spin 512 R851TN/Chromebook Spin 512 R856T/Chromebook 712 C871T/Chromebook Spin 512 R853TAIt adopts a full inner lining design, and its size and port holes are consistent with the universal model., eliminating the sway and offset issues found in universal models, providing exclusive protection for your laptop. Heat-dissipating lining protects laptop performance: The lining is made of a breathable, heat-dissipating material that reduces heat buildup during laptop operation. This prevents the laptop from stuttering due to overheating. This combines protection with stable device function, making it ideal for people who work on their laptop for long periods of time. Wa