Resetable Coiled Combination Lock For Bikes,Light Mini Strong Lock for Children Bike or Luggage Sets Easy To Open, Combination Locking Mechanisms For Keyless Convenience. Easy Installation And Easy To Carry, Light &amp; Strong Enough for Children Bike or Luggage Sets Four Combination Lock, It&#039;s Safe And Convenient Don&#039;t Need The Key, Unlock Is Simple Weight: 180g. Highly Durable And Easy to Use. <span class="a-text-bold">Code Can&#039;t be Changed</span>, Please Keep the Code Tag Which is Unique For The Lock. Size:0.31x47 inch(8x1200mm) Material:Steel And PVC