This BELTRON slim protective case with metal belt clip is designed and engineered to be compatible Tandem t:slim, t:slim G4 and t:slim X2 diabetic insulin pumps. Please make sure you have verified your device model prior to purchase. Secure design with reinforced technology for convenient daily use. Made from high-quality, durable plastic for long-lasting use. Its lightweight design makes it easy to carry wherever you go. Heavy duty built-in metal belt clip secures to belt or waistband (vertical use only). Comfortable grip design for a secure hold and extra protection. Reinforced technology resists hard hits. Survives drops from up to 3 meters. Durable, reliable and lightweight, built to withstand everyday use in high activity environments. We're here to help! Please contact us should you have any questions or concerns regarding this product. BELTRON's protective case is custom designed to support the entire device. The durable built-in metal belt clip securely holds the Tandem t:slim X2 insulin pump on belts or straps. The case was designed like a cell phone case so that you can perform all the day-to-day functions like viewing your screen, accessing the Wake button, changing a cartridge, and charging your pump all without taking it out of the case. The BELTRON holster is compatible with t:slim, t:slim G4 and t:slim X2 insulin pumps.