1PERFECT COMPATIBILITY: The new bottom cover replacement parts are designed specifically for Dell E5530 laptops and are perfect for replacing damaged parts of your laptop. 2UPERIOR PERFORMANCE: The laptop bottom base cover is made with precise cutouts to fit the laptop part that needs to be replaced perfectly, and the cooling holes are designed to reduce the temperature during continuous operation. 3DURABLE MATERIAL: Laptop lower base bottom case cover is made of premium ABS material, sturdy and durable, not easy to damage, long service life. 4IMPROVED DESIGN: The black case gives your laptop a stylish and professional look while also hiding any scratches or wear and tear on the original case. 5CAUTIONS: Please replace replacement laptop bottom base cover under the guidance of professional technicians to avoid unnecessary damage.