Features: brand new and high quality These display clips are made of acrylic plastic material and can be adjusted to fix the embedded blocks of each size. Easy to write on any type of liquid chalk, easy to wipe with a sponge (cannot write with chalk). You can erase rewritable signs for reuse. Clip-on sign holders can be used for price and product signs in stores, supermarkets or other shopping malls, displays, weddings, parties and exhibitions, for advertisements, display notes, reminders and photos. With super-strong clamping jaws, the rotatable clamp allows you to adjust it to the best position, which is easy to clamp on the shelf. Suitable for cylindrical objects, plates, square tubes, partitions, round tubes, etc. If you have any questions, please feel free to contact us. Specifications: Color: Black,White Material: Acrylic Size:Approx.14.5x10.2cm/5.70x4.01in Quantity:4pcs Package Includes: 4x Price Tag Board note: Please allow a little error on the size due to manual measurement. The color might exist slightly difference due to different displays.