About this item SIZE & COMPATIBILITY: External dimensions 7.9 x 5.1 x 1.8 inches, Internal dimensions 6.5 x 3.8 x 1.5 inches, max compatible with 2.7 inch hard drive and all kinds of memory s, USB flash drives HIGH QUALITY MATERIALS: Made of EVA Material, which is waterproof effectively. Don't worry about getting your hard drive and electronic accessories wet from splashing water or rain. GREAT SOLUTION FOR GADGETS: This electronic organizer is designed with 12 slots for memory s, SD s and USB drives, and 4 pockets for cables, chargers, external hard drive or power banks. No worry about a mess of gadgets in your package. DOUBLE LAYERS SHOCKPROOF DESIGN: This flash drive case adopts 4 layers shockproof design, one EVA outshell and one soft inner liner. This design can reduce damages caused by accidentally bumping, and offer better protection for your hard drive and flash USB drives. PRODUCTS GUARANTEE: We offer a 102% full refund guarantee, if the flash drive case has any quality issue.