Designed and molded exclusively for theDell Latitude 5590 5591/Latitude 5580/Precision 15 3530 3520 3510/Precision 15 7540 7530,Case for Lenovo THINKPAD P52/THINKPAD P53Dell Latitude 5590 5591/Latitude 5580/Precision 15 3530 3520 3510/Precision 15 7540 7530,Case for Lenovo THINKPAD P52/THINKPAD P53Dell Latitude 5590 5591/Latitude 5580/Precision 15 3530 3520 3510/Precision 15 7540 7530,Case for Lenovo THINKPAD P52/THINKPAD P53It 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