These lab safety goggles have a soft vinyl frame that fits the face comfortably with elastic headband. Will fit over regular eyeglasses. The chemistry safety goggles’ ventilation design prevents fogging. We recommend using these safety goggles with our disposable poly gloves. Large Approximately 6" wide by 2 3/4" deep. Small Approximately 5 3/4" wide x 2 1/2" deep.