Slotted Key Tags: snap them into slotted or rack-mounted key cabinets, boxes, or key plates less than 0.1inch thick. 100pcs key tags are enough and long-term use. Strong and reusable material: These square key tags are made of plastic that is heat-resistant, water-resistant, and unbreakable. Its frosted surface prevents light reflections, ensuring a clear view at all times. Each hanging key tag features a strong metal snap hook to securely hold one or more keys at a time. Can be marked with a marker, permanent marker, or stick-on sticker, eliminating time wasted looking for keys Wide Application: perfect for rental, commercial or personal use. Great for marking keys or parking spaces, gym lockers, , suitcases, hotel rooms and more. Widely used where you need to organize a lot of keys or where you need to label a lot of items. size: about 4 x 3.8cm Material: plastic+metal colour: white Package Contents: 100 x Blank Hanging Key Tags Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.