Designed and molded exclusively for theAcer Spin 5 15 SP515-51GN/Aspire 3 15 A315-21/Aspire 3 15 A315-31/Aspire 3 15 A315-32 A315-51/Aspire 3 15 A315-52Acer Spin 5 15 SP515-51GN/Aspire 3 15 A315-21/Aspire 3 15 A315-31/Aspire 3 15 A315-32 A315-51/Aspire 3 15 A315-52Acer Spin 5 15 SP515-51GN/Aspire 3 15 A315-21/Aspire 3 15 A315-31/Aspire 3 15 A315-32 A315-51/Aspire 3 15 A315-52It adopts a full inner lining design, and its size and port holes are consistent with the universal model.