Designed and molded exclusively for theAcer TravelMate P2 15 TMP215-55/Chromebook Enterprise 515 CB515-1W,Case for Dell Precision 15 7560 7550/inspiron 15 2-in-1 7586Acer TravelMate P2 15 TMP215-55/Chromebook Enterprise 515 CB515-1W,Case for Dell Precision 15 7560 7550/inspiron 15 2-in-1 7586Acer TravelMate P2 15 TMP215-55/Chromebook Enterprise 515 CB515-1W,Case for Dell Precision 15 7560 7550/inspiron 15 2-in-1 7586It 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.