NOTICE: The [13"] sleeve Only and Specially compatible with 13.3" & 13.6" MacBook [A2681, A2337, A2338, A1932, A1989, A1706, A1708, A2159, A2179, A2251, A2289.size:External: 35.5 * 25.5 * 3cm, internal: 34X24 2cm. If your laptop is not among these models, or you especially need a snug fit or a loose fit, please compare the actual dimensions of your laptop with the internal dimensions of the sleeve, and make sure those are smaller than the internal dimensions, the closer, the more snug fit. 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. If you have any concerns about the dimensions, please feel free to contact us. B. If you have the 13.3/13.5 inch Dell, HP, Lenovo, ThinkPad, Acer, Asus, Samsung, Toshiba Dynabook, Surface, Huawei,etc.the 13" (notice that the 13" and the 13-13.3" are different in size) case is a SNUG FIT for the laptops belows: ACER: Acer Swift 3 Series(13.3"),etc. ASUS: Asus VivoBook S13 Series(13.3"), Asus ZenBook 13 Series(13.3"), Asus ZenBook Flip 13 Series(13.3"), Asus ZenBook Flip S Series(13.3"), Asus ZenBook Q Series(13.3"),etc. DELL: Dell XPS 13/Touch/2-in-1 Series(13.3"), Dell NEW XPS 13/Touch/2-in-1 Series(13.4"), Dell Latitude 3000/5000/7000/2-in-1 Series(13.3"), Dell Inspiron 13 3000/5000/7000/2-in-1 Series(13.3"),etc. HP: HP EliteBook G Series(13.3"), HP EliteBook x360 G Series(13.3"), HP Elite Chromebook Series(13.5"), HP Elite Dragonfly Series(13.3"), HP ENVY Series(13.3"), HP ENVY x360 Series(13.3")HP Spectre Series(13.3"), HP Spectre x360 Series(13.3"), HP Pavilion 13 Series(13.3"), HP ProBOOK G Series(13.3"),etc. HUAWEI: Huawei MateBook X Pro Series 13.9" (Please choose the 11"-11.6" case for the "Huawei MateBook 13 Series" and "Huawei MateBook 13 Series ") LENOVO: Lenovo ThinkBook Plus Series(13.3"), Lenovo IdeaPad 500 Series(13.3"), Lenovo ThinkBook 13s Series(13.3"), Lenovo Yoga C Series(13.3"), Lenovo Yoga 700 Series(13.3"), Lenovo IdeaPad 700 Series (13"),etc. SAMSUNG: Samsung Notebook 9 Series(13.3"), Samsung Notebook 9 Pro Series(13.3"), Samsung Galaxy Book Series(13.3"), Samsung Galaxy Chromebook Series(13.3"),etc. THINKPAD: ThinkPad L13 Series (13.3"), ThinkPad X/Yoga Series (13.3"), ThinkPad X1 Series (13.3"), ThinkPad X13/Yoga Series (13.3"),etc. If your laptop is not among these models, or you need a snug fit/a loose fitplease compare the actual dimensions of your laptop with the internal dimensions of the sleeve, and make sure that is smaller than the internal dimensions, the more similar the more fit. size:External: 35.5 * 25.5 * 3cm, internal: 34X24 2cm package:1pc Laptop Bag.