Designed and molded exclusively for theDell Inspiron 14 5401 5402 5405 5408 5409/Vostro 5401 5402/Latitude 3440/Latitude 3450/Vostro 3420 3425/Vostro 14 3430 3435Dell Inspiron 14 5401 5402 5405 5408 5409/Vostro 5401 5402/Latitude 3440/Latitude 3450/Vostro 3420 3425/Vostro 14 3430 3435Dell Inspiron 14 5401 5402 5405 5408 5409/Vostro 5401 5402/Latitude 3440/Latitude 3450/Vostro 3420 3425/Vostro 14 3430 3435It 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. Warning: NO