DESIGN - Our plastic label holders are designed to fit nicely on line shelves and will work with any shelf design that has strip clips on our shelf label holders. They are made of durable and sturdy plastic material that can be reused and will last a long time. The clip-on feature is designed to be placed on a shelf with a small bar and they will stay in place until you remove them. USE-- These shelving racks are perfect for supermarkets, convenience stores, grocery stores, shopping malls, pantries, warehouses and anywhere else where wire shelves are used. They can be used to display prices, UPCs, specials or to identify in-stock products and stock location identifiers. If you need to mark shelf space with anything possible, these shelf label holders are your ultimate choice. Dimensions - The stand is 6 cm long and 4.2 cm high, it can hold cards up to 1.5 inches tall, ideally up to 2 inches long, it can hold longer cards that stick out of the stand and stay in it s position. Labels can also be attached and removed as needed, leaving no residue. Clip where you want to stick to shelves, etc. Slide the card into the holder or attach your label to the holder. When you want to reposition the shelf support, simply push up on the support to remove it and apply it to your new desired position. The cards in the 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 holder to fall out.