Made of High-quality materials, they are sturdy and durable for long-term use. They are also reusable and are very convenient and easy to install and remove.Simple and easy - use the clip on the top to stick it to your desired location, area, shelf, etc. Slide the card into the holder or stick the label to the holder. When you want to reposition the shelf brackets, simply open the clips and apply them to your desired new location. The cards in the card holder and the labels on them can always be easily removed to replace with new cards or labels without leaving any residue or causing the card holder to fall out.USES - These shelf brackets are Perfect for supermarkets, convenience stores, grocery stores, shopping malls, food pantries, warehouses and other places where wire shelves are used. They can be used to display prices, UPCs, special offers, or identify products in stock along with inventory location identifiers. If you need anything to mark your shelf space, these shelf label holders are your ultimate choice. Note: Due to different production batches, there may be slight differences in products.size: 75 x 35mmMaterial: plasticcolour: transparent Package Contents: 150 x Plastic label150 x White paper 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.