1,Applicable Model: The new laptop bottom cover replacement is designed for Acer Aspire E1‑521 E1‑531 E1‑571 laptop, perfect replacement for the damaged part of your laptop. 2,Precise Hole Positioning: Laptop bottom cover is precisely cut out to fit perfectly on the part of your laptop that needs to be replaced. 3,Rapid Heat Dissipation: Laptop bottom door cover is designed with heat dissipation holes to reduce temperature during continuous operation. 4,Durable Material: Made of premium ABS material, sturdy and durable, not easy to damage, long service life. Replacement parts are tested before shipment. 5,Installation Note: Please replace it under the guidance of professional technicians to avoid unnecessary losses. Black color replacement parts enhance the stylish look of your laptop. 1 x Laptop Bottom Base Case Item Type: Laptop Bottom Base CaseMaterial: ABSColor: BlackApplicable Models: for Acer Aspire E1-521 E1-531 E1-571 Laptops Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.