What You Will Get--You will receive 4 sets of A5 acrylic sign holders with plastic clamps. Finished product size is about 15cm/6 inch long, 30.5cm/12 inch wide; Acrylic board size: 21.1x15x0.4cm/8.3x6x0.2 inch, 4pcs; White plastic clamp size: 16.5x8.5x5.3cm/6.5x3.4x2.1 inch, 4pcs. Premium Quality--The rectangular stand is made of acrylic and clips are made of plastic materials, which are durable and easy to clean. To prevent the surface from being scratched, there is a transparent film on the acrylic sheet, so please peel off the film before use. Powerful Clamping Force--The acrylic sign holders are paired with plastic clamps for easier clamping and securing to shelves or racks. Even when used on metal hangers, it won't slide or fall off easily. Waterproof & Wipeable--Convenient to write with any liquid pen, waterproof stains, and can be wiped off with a sponge at any time, you can write different text labels according to different occasions. Wide Application--These sign holders can be used in stores, supermarkets, swap meets or craft fairs to display, and can also be used at home, office or birthday parties to display instructions, reminders and more.