The Kensington UltraThin Magnetic Privacy Screen seamlessly attaches to the MacBook Air's magnetic frame, allowing it to close completely and enter sleep mode — without needing to be remove. The screen protects your display from scratches and damage, while providing privacy by limiting viewing angle to +/- 30°. It also reduces harmful blue light by up to 30%, diminishes glare, and improves clarity. Magnets make it easy to attach and detach. Privacy screen seamlessly, conveniently, and easily attaches to — and detaches from — the MacBook Air frame with magnets. Slim design allows the MacBook Air to completely close, and enter sleep mode, while the privacy screen is attached. Limited viewing angle narrows the field of vision to +/- 30 degrees, helping keep the information on your screen private. Blue light reduction filters out harmful rays by up to 30%, easing eye strain and reducing the chances of blue light interrupting natural sleep patterns. Low reflective coating reduces glare from outside light sources for improved viewing clarity. With reversible viewing options, one side has a matte finish to reduce glare and fingerprints. The other side is glossy and provides a clearer view of the monitor. UltraThin Magnetic Privacy Filter Screen Cleaning cloth Privacy filter screen holder Optional adhesive Manual Form Factor: Film, Snap-on, Ultra Thin Material: Clear Film Height: 0.03 in. / 0.1 cm Length: 11.8 in. / 30 cm Width: 7.8 in. / 19.8 cm Weight: 1.5 oz. / 43 g Mfr. Part Number: K58398WW-APL UPC or EAN No.: 085896583981 Note: Products sold through this website that do not bear the Apple brand name are serviced and supported exclusively by their manufacturers in accordance with terms and conditions packaged with the products. Apple’s Limited Warranty does not apply to products that are not Apple branded, even if packaged or sold with Apple products. Please contact the manufacturer directly for technical support and customer service. Warranty: Two years