Strong Magnetic Clasp Wristband: Infinitely flexible, no buckle or tool needed, just stick and lock the metal strap easily. Metal Connectors: Come with replacement metal connectors, just skip it onto your watch interface, no tools needed. Stainless Steel Mesh Loop Strap: Fashionable, comfortable & breathable metal band for luxury looking and durable usage. Size: Small from 5.5\"-6.7\", large from 6.7\"-8.1\" fit for men and women. Colors: Black, Red, Rose Gold, Silver as the pictures shows.