Product Design: It has two sides, a narrow side to put in labels and a wide side to insert into merchandise shelves, suitable for supermarket. Quantity and Size: You will receive 40 sets label holders, it is about 2.99 inch(7.6cm) wide, 1.44 inch(3.65cm) long, 0.49 inch(1.25cm) thick, paper is about 1.26x2.99x0.01 inch(3.2x7.6x0.02cm), eaough for your display or storage use. Acrylic Material: It is made of acrylic material, it is easy to clean and not easy to break, durable for your long time use. Wide Usage: These shelf label holders are perfect for supermarkets, convenient stores, shopping malls, pantries, warehouses and anywhere else wire shelfs are used. Easy to Use: Easy to clip the label holder on the wire shelf after the paper inserted into, easy to remove and move.