Universal 2.5 inch portable hard drive case external dimensions: 5.91 x 3.94 x 1.77 inches, Internal dimensions: 5.1 x 3.5 x 1.1 inches; Fits Samsung T9 and most 2.5” portable external hard drives such as Seagate Backup Plus Slim/ Expansion/ Game Drive/ One Touch, Western Digital My Passport/ My Passport Ultra/ WD Elements, Canvio Basics/ Canvio Advance/ Canvio Flex/ Canvio Gaming/ Canvio Slim/ Connect II . | Water-resistant hard EVA exterior and premium soft lining interior offer comprehensive protection against knocks, impacts, bumps, drops, dents and scratches | Slim line design allows case to easily fit into any backpack or briefcase | Interior strap and zippered closure secures portable hard drive in place | Compact case to store or transport medium and larger portable hard drives