THE SIZE & COMPATIBLE - Exterior: 6.1" x 4.4" x 2.0" inchs & Interior: 5.2" x 3.5" x 1.18" inchs. Fit Seagate Backup Plus | Seagate Expansion | Seagate Wireless Plus | Seagate Backup Plus Slim | Seagate Game Drive for Xbox | Silicon Power | Toshiba Canvio Basics | Toshiba Canvio Connect II | 500GB 1TB 2TB 3TB 4TB Universal case for most hard drive, power bank, GPS devices, digital camera, and more. | WATER RESISTANT & MOISTURE PROOFING - Made of waterproof PU Material, which obstructs water and vapor effectively. Don't worry about getting your hard drive and accessories wet from splashing water or rain. | SHOCKPROOF BUBBLE LINING - Extra soft, The anti-static, shock absorbing, the product can effectively absorb impacts. Reduce damages caused by accidentally bumping, protects your hard drive from bumps, scratches, and dents. | ENOUGH SPACE - Enough space to store USB cables, charge, and have Extra pocket to store memory cards,etc. each practical accessories you may use. Devices will be fastened with the inside security strap that can hold devices tightly | HARD EVA & EASY TO CARRY - Hard texture. Perfect with lanyard and metal hook, you can just carrying the lanyard or use the metal hook matches lanyard fixed case on your backpack, makes it easy to carry for travelling.