Designed and molded exclusively for theLenovo IdeaPad Slim 3 15 Gen 9/IdeaPad Slim 3i 15 Gen 9/IdeaPad Slim 3 15IRU9/IdeaPad Slim 3i 15 Gen 8/IdeaPad Slim 3 15 Gen 8/IdeaPad Slim 3i 15 Gen 7Lenovo IdeaPad Slim 3 15 Gen 9/IdeaPad Slim 3i 15 Gen 9/IdeaPad Slim 3 15IRU9/IdeaPad Slim 3i 15 Gen 8/IdeaPad Slim 3 15 Gen 8/IdeaPad Slim 3i 15 Gen 7Lenovo IdeaPad Slim 3 15 Gen 9/IdeaPad Slim 3i 15 Gen 9/IdeaPad Slim 3 15IRU9/IdeaPad Slim 3i 15 Gen 8/IdeaPad Slim 3 15 Gen 8/IdeaPad Slim 3i 15 Gen 7It adopts a full inner lining design, and its size and port holes are consistent with the universal model. 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: NOT compatible with other laptops