- COMPATIBILITY & DIMENSIONS: 13-inch MacBook Air (Model #s A1237, A1304, A1369, A1466 / Year: 2009 to 2017- Does not fit the newest MacBook Air 13" with Retina Display). 13 x 9.25 x 0.5 inches / 0.65 lbs. - DESIGN: The original hardshell for MacBook is designed to personalize and protect 13-inch MacBook Air from bumps, impacts and scratches. - MATERIAL DETAILS: Unlike other MacBook hardshell cases that are commonly made with ABS plastic, the Incase MacBook Hardshell is crafted with premium Bayer Makrolon polycarbonate. This durable material is remarkably lightweight yet offers MacBook reliable protection from scratches and impacts. - ACCESS: This form-fitting MacBook case features a stylized textured dot design throughout the interior that shows through the surface and precision cutouts for full access to ports, lights and buttons. - FEATURES: Injection molded construction also features thorough ventilation to avoid overheating and rubberized feet to keep MacBook firmly in place.