Costa Del Mar Micro Fiber Cleaning Cloth is perfect to keep in your car, boat, RV, purse or backpack. Always have a lens cloth handy. This Micro Fiber Cleaning Cloth will clean sunglasses, Rx glasses, mirrors or any surface that gets smudges. Perfect to keep in your hunting bag for hunting optics like rangefinders, field cameras and binocular lens. Made of micro fiber and measures 7x5 inches.