Designed and molded exclusively for theDell Vostro 3530/Vostro 3535/Vostro 3520/Vostro 3525/Vostro 3510/Vostro 3515/Inspiron 15 3510/Inspiron 15 3511/Inspiron 15 3515Dell Vostro 3530/Vostro 3535/Vostro 3520/Vostro 3525/Vostro 3510/Vostro 3515/Inspiron 15 3510/Inspiron 15 3511/Inspiron 15 3515Dell Vostro 3530/Vostro 3535/Vostro 3520/Vostro 3525/Vostro 3510/Vostro 3515/Inspiron 15 3510/Inspiron 15 3511/Inspiron 15 3515It 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.