10PCS 20PCS 30PCS & 10 colours . Excellent coding system for marking multiple items such as keychains, suitcases, USB sticks, etc. Great identification: with a clear window, each label contains a blank paper for labelling. Classify items easily by colour coding and labelling. Ideal for use with security key cabinets DURABLE BUT FLEXIBLE - Made of durable and soft PE material that resists tearing and color fading. The flexible material can be easily bent without tearing or tearing. COMPACT AND LIGHTWEIGHT: measure 5cm L x 2cm D and weigh 2g. Easy to attach to your belongings with the split rings. Perfect size for you to wear without extra burden or bulk. 2 tagging methods: simply pull out each label by bending the slot on the back or removing the key ring. Write it and replace it after the ink is completely dry to avoid smudging. Finally, an end to disorganised keys.