★★★★★ :Model: Only for Dell Dell's new Latitude 5550 Laptop 2-in-1 Latitude 5540 Laptop 15.6" PU Leather Interior Pocket,Protective sleeve parameters: LxWxH: 14.09X9.25X0.78 in/359*235*20mm, Weight: 1.1lbs, ★★★★★ : This is not a general case and does not apply to any other model ★★★★★ : The outer layer is made of PU leather and microfiber material, and the inner layer is made of real microfiber material. ★★★★★ : Allows access to all ports, made of high-quality PU leather and soft microfiber. ★★★★★ : Clamshell design; The edge of the computer protective case extends 2mm to the outside of the fuselage to avoid wear of the corners of the machine; The inner layer is made of microfiber molecules, which effectively prevent screen scratches; The protective cover adopts a unique heat dissipation design that does not affect simple installation and removal, and the anti-scratch protective cover can provide better protection for the machine