1. Applying optical principles of polarized light, to anti peeping and protect privacy. 2. Magnetic adsorption, easy to install and remove. 3. Anti-glare, anti-reflective, protects eyes. 4. Made of PET material, with good flexibility, it would not affect the usage of MacBook at all after pasting the film. 5. Ultrawear-resistant material coating, 4-5H hardness, scratch-proof, explosion-proof and fingerprint-proof.Specification: General Compatible with Apple: MacBook Air 11.6 inch A1465 (2012 - 2015), MacBook Air 11.6 inch A1370 (2010 - 2011) Package Weight One Package Weight 0.50kgs / 1.10lb One Package Size 32cm * 22cm * 0.5cm / 12.6inch * 8.66inch * 0.2inch Qty per Carton 100 Carton Weight 8.00kgs / 17.64lb Carton Size 44cm * 32cm * 28cm / 17.32inch * 12.6inch * 11.02inch Loading Container 20GP: 676 cartons * 100 pcs = 67600 pcs40HQ: 1570 cartons * 100 pcs = 157000 pcs