Perfect fit: Pulse oximeter storage case, fits most oximeters including Zacurate, Innovo, Vibeat, CONTEC, HealthTree, AccuMed, lpow and more. OUTER DIMENSIONS: 3.7" L – 2.9" W – 2" H. Material: High-quality rigid EVA, velvet lining, semi-waterproof, dustproof, shockproof function. Lightweight and compact: portable design is easy to put in your bag, and you can take it with you when you go out. Convenient design: Inner mesh pocket design can perfectly organize accessories, 360 degree zipper is smooth and strong, easy to open and close. For sale: One case ( The Pulse Oximeter and Accessories are not included ). Fingertip Pulse Oximeter Case, Portable Blood Oxygen Oximeter Storage Case (Case Only) - Purple