ABOUT PRODUCT: <1>Laptop Case Dimensions: external dimension : 18.3 x 13.38 x 1.89 inch /46.5 x 34 x 4.8 CM, Internal dimension :17.52 x 12.79 x 1.7 inch / 44.5 x 32.5 x 4.5 CM (L x W x H). <2>Main material: PU handle + canvas EPE fabric + soft lining <3>Applicable occasions: Business office, school, daily use, business trip essential <4>Multi-layer storage space: The separate design of separate compartments makes the storage of items more convenient and tidy <5>Multi-purpose in one pack: Removable shoulder strap, portable, diagonal, single shoulder Most Compatible Models (not complete) : HP : 17.3" HP 17 | 17.3" HP ENVY 17 | 17.3" HP ZBOOK 17 G4 | 17.3" HP Pavilion 17 | 17.3" HP ProBook 470 LENOVO : 17.3" Lenovo IdeaPad 300 | 17.3" Lenovo IdeaPad 320 | 17.3" Lenovo IdeaPad 321 | 17.3" Thinkpad P70 | 17.3" Thinkpad P71 | 17.3" Lenovo IdeaPad 110 | 17.3" Lenovo Ideapad 700/ Y700 DELL : 17.3" Dell Inspiron 17 | 17.3" Dell Precision 17 | 17.3" DELL Precision 7710 Acer : 17.3" Aspire E5-774G / 771G / 772G | 17.3" Acer Aspire 3/5 | 17.3" Acer Nitro AN517 | 17.3" Acer 317 Chromebook Toshiba: 17.3" Qosmio X70 / Satellite L70 / Satellite P70 MSI: 17.3" MSI GE76 Raider | 17.3" MSI GL75 Leopard Gaming | 17.3" MSI WE73 8SJ-076 | 17.3" MSI GS73VR Stealth Pro / GS73VR Stealth Pro 025 Tips: ?Please check your laptop dimensions against the internal laptop compartment size of our laptop case to ensure perfect fit; ?There may be 1-3cm difference due to manual measurement,please do not hesitate to contact us if you have any questions.