Designed and molded exclusively for theDell Latitude 5550/Latitude 5540/Latitude 5531/Latitude 5530/Latitude 5520/Latitude 5521/Latitude 5510 5511/Latitude 5500 5501Dell Latitude 5550/Latitude 5540/Latitude 5531/Latitude 5530/Latitude 5520/Latitude 5521/Latitude 5510 5511/Latitude 5500 5501Dell Latitude 5550/Latitude 5540/Latitude 5531/Latitude 5530/Latitude 5520/Latitude 5521/Latitude 5510 5511/Latitude 5500 5501It 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