KEEP TRACK OF YOUR BLOOD PRESSURE: Universal cuff (size 22-42cm) that is made of extra durable nylon, comfortable Velcro strip that allows for easy one hand self measuring at home to balance your bp GET RELIABLE RESULTS: Equipped with a prestige metal air needle valve with a smooth pressure relief regulation and a large, easily readable number dial. Has been clinically tested. TAKE YOUR BLOOD PRESSURE KIT ANYWHERE: Neatly packed in carrying case that will keep your professional blood pressure cuff set intact during all your travels, this lightweight kit is handheld and portable BOASTING A PREMIUM QUALITY: Zinc alloy body, a non stop manometer mechanism and an improved, supercharger check valve with reticulated filter that prevents dust from clogging the device