They are dust mite

The 58 millimeter the best fit for men with an average width face

5"x 26" x 28

if you have any problems

Blood Pressure Monitor, Wrist Pressure LCD Display Automatic Voice Pulsometer Rechargable Heart Health BP Monitor Vitamins They are dust miteProduct details Product details Wrist Blood Pressure Monitor (Wrist Blood Pressure Cuff ) utilize digital technology to measure blood pressure automatically with the single press of a button. Able to consistently provide accurate readings, more and more people are opting for digital sphygmomanometers. (Wrist Blood Pressure Cuff) Feature: Well made & Designed to Last The sphygmomanometers is made of AES materials and feature nylon cuffs, tubing, bulb