Homeself Waterproof Portable Hard Disk Drive case, Electronic Accessories Organizers for U Disk, SD Card, USB Flash Drives, Power Banks and Hard Disk (Light Blue) Made of hard shell material:EVA.It is hard,waterproof ,shock proof and durable to make sure your item is safe and secure.the surface material is pu,very smooth. This kind hard Electronic Accessories Organizers is a Use Versatile,for hard drive, cables, memory cards, adapters, power bank, smartphone, etc Size:175*100*40MM.The case itself is lightweight so after loading your items in it, it shouldn't be that heavy.Its your best choice when you on the traveling way There are 5 layer inside,it is a good choose to collect your item and keep them in place Zipper closure design for easy opening and closing