Size: 42/44/45mm New without packaging. Adjustable nylon band. premium material, soft and thick, breathable and easy to clean, comfortable and doesn't irritate skin. Designed with slim slider buckle , adjust buckle according to wrist size, Snugly fit your wrist comfortably without constriction. Fit for wrist 4.3-8.7 inch. Fits most people's wrist perfectly.