Great ID: Each tag contains a blank paper to write on with a hard transparent cover to keep out water and dirt. Easily label and categorize items for quick identification. Compact and lightweight: measures 5.5 x 2.9 x 0.5 cm. Easy to attach to your belongings with the split rings. Perfect for carrying around without extra burden or bulk. Robust and reusable: Made of heat-resistant and wear-resistant polypropylene, sturdy and less likely to break. Also designed with sleek corners to prevent accidental injury. Easy Writing: Simply press the lid open without removing the ring and take out the paper for writing. Then insert the label into the case after the ink dries completely to avoid smudges. 20 pieces in total: The package contains 20 white color labels. Excellent coding system for marking multiple items such as key cases, suitcases, USB sticks, etc.