Suitable for preschool and school to display work They can also be used for office displays, shop pops and price displays. For connecting displays! Continuous clips; Convenient 100 pieces; Quantity: 20 pieces; Material: Clip: Polycarbonate; External dimensions: Width 0.4 x Depth 2.0 x Height 0.6 inches (11 x 50 x 16 mm); Maximum clip thickness: 0.1 inches (3.5 mm).