Only 100% genuine original Nillkin products in retail package. It has anti-fake membrane, QR code and barcode. Don't buy cheap fake "Nillkin" products from third-party shops when you can get genuine products to make yourself happier. Nillkin Bumper Frosted Laptop Sleeve The new Apple MacBook Air 13-inch 2024 model can be used with 13.3-inch laptop sleeve bag The new Apple MacBook Air 15-inch 2024 model can be used 15.4-inch laptop sleeve bag Please check COMPATIBILITY file before purchase! Some of laptops 16" are not supported by this product. https://nillkin.org/image/data/product-files/17966/compatibility%20with%20laptops.pdf Bumper Frosted Laptop Sleeve,sleek and rugged exterior, simple yet imposing; the back features a frosted semi-transparent design, showcasing the original device's style without being ostentatious; crafted from a dual PU leather + TPU material, with added ultra-fiber lining for outstanding protection; magnetic clasp design for easier device access; slim and compact design