BUY WITH CONFIDENCE: Well built and superior quality. COMPACT: The dimention of our Kardia carrying case is 3.5"L x 2"W x 0.2"T, it is so compact that you can put it into your purse and pocket easily. Features: Comes with magnetic closure, the magnetic force is perfectly tuned in order to give you the most seamless experience of openning and closing the case; The carry case is specially designed for Alivecor Kardia, it is super convenient that you don't even need to remove the case when using the device; Perfect travel case for carrying your EKG monitor, key rings can also be attached to case. MATERIAL: Premium microfiber is skin friendly with no hazardous chemicals, 100% guarantee not to scratch your device. Simply slide the device into the Kardia case and you are good to get your Kardia device protected from cruch, scratches and splashes. Note: This case does NOT fit with KardiaMobile 6L. FIT: The kardia mobile case fits your AliveCor KardiaMobile EKG Monitor (2-Lead) perfectly, no loose, no bulk, just in fit. This case is also compatible with SnapECG EKG Monitor.