Designed and molded exclusively for theAcer Aspire 15 A15-51M/Aspire 15 A15-41M/Nitro V 15 ANV15-51/Nitro V 15 ANV15-41/Aspire Go 15 AG15-31P AG15-32P/Aspire Go 15 AG15-21PAcer Aspire 15 A15-51M/Aspire 15 A15-41M/Nitro V 15 ANV15-51/Nitro V 15 ANV15-41/Aspire Go 15 AG15-31P AG15-32P/Aspire Go 15 AG15-21PAcer Aspire 15 A15-51M/Aspire 15 A15-41M/Nitro V 15 ANV15-51/Nitro V 15 ANV15-41/Aspire Go 15 AG15-31P AG15-32P/Aspire Go 15 AG15-21PIt adopts a full inner lining design, and its size and port holes are consistent with the universal model.