Features: This PC case is compatible with HP Laptop - 15z 15t 15-dy series HP ENVY 15 x360 15-bp, 15-ds, 15-cn, 15-cp, 15-dr series; Acer Aspire 5 A515-55, A515-43, A515-56, A515-46, A515-45, A515-44 series, Aspire 3 A315-42, A315-54, A315-56, A315-57, A315-23 series; Extensa 15 EX215-31, EX215-51 series laptop. (excluding equipment) Warning: This is not a universal case and will not fit other laptops/models, or contact the seller to confirm other models. Or measure the size of the machine: fit Only available in this size (W x D x H): 358-365x 245-250 x 16-20mm. Material: The outer layer is made of PU leather, and the inner lining is soft and microfiber, which is environmentally friendly, dissipating heat and prolonging the service life of the equipment. Design: Detachable design with pen holder ("tablet model" not supported) (pen not included) The notebook cover is a detachable two-piece, weighing about 0.5kg 3 colors to choose from, there is always one you like. If you are sure it will work, use a ruler to measure the length, width and thickness of the machine. 358-365x 245-250 x 16-20mm.mm for reference.