NOTICE: The [16"] sleeve Only and Specially Compatible with 16 MacBook Pro M1 M2 M3 M4 M5 Pro/Max [A2141 A2485 A2780 A2991 A3403 A3186 A3428 A3429]. Internal Dimensions:14.69" x 10.35" x 0.79". Rank the actual size of the cases: 15"-15.4" < 16" < 15.6", which means the 15.6" case is actually the biggest size of this design. If your laptop is not the MacBook 16",or you especially need a snug fit or a loose fit, please check and compare the actual dimensions of your laptop before ordering. BASIC PROTECTION: As an inner case, outer layer is covered with polyester fabric, and inner layer is padded with high resilience EPE, protects against dust dirt debris, scratches, offers protection against bumps shakes and extrusion when it's put in backpack or suitcase. FRONT POCKET STORAGE: Extra pocket in front, enough space to keeping document, charge, mouse cable, cellphone, memory cards, external hard drive, pens etc. ACCOMPANIED BY SPECIALIZED SMALL SLEEVE: Specialized small sleeve for power charger and mouse case,portable slim fit and lightweight in everyday use. WARM REMINDER: To choose the right size you need, please read the following instructions in Product Description carefully before ordering.