Features: 1. The Case is made of supreme quality, durable EVA, crush resistant, anti-shock 2. Water resistant material provides adequate protection from bumps, scratches and splashes. 3. Zipper design, needn't to worry about the contents of the box slipping out when you carry it with you.You can take it everywhere with you at ease 3. Universal case box: The general size is suitable for most finger oximeter. Description: There is a layer of net inside the box, you can put some things you need in it. It is light and durable, cheap and practical to use. Specifications: Product material: EVA Product size: 10 * 6.5 * 4cm(3.94"" x 2.56"" x 1.57"") Color: black + White Package Included: 1 x Oximeter storage bag