Magnifier Binocular 2, 5X, 3-D Binocular Magnifiers with Adjustable Headband, Precision-ground and polished prismatic lenses of scratch-resistant plastic, designed to converge in different focal lengths, Worn on the head with an adjustable soft plastic headband, for handsfree work, Protects eyes and forehead to reduce chance of accident, Lessens tension, strain, and fatigue, May be worn over prescription glasses, Lens frame flips up for normal vision, SKU: ALV7323