MATERIAL - Sticker clips are made of transparent acrylic material, which is strong and not easy to break, with smooth edges and long-lasting durability. PORTABLE - You will get 20 spring clips, enough for your daily use; Each size is 2.6*1.3cm/1*5.1inch, small and light, easy to carry and store. SELF-ADHESIVE - Photo clips adopts self-adhesive design, has good adhesion, not easy to tear fall and can be pasted on smooth surface, such as glass, metal, plastic, tile, etc. ELASTIC - The spring of adhesive clips has good elasticity and strength, can clamp the paper tightly, and the spring is not easy to loosen for a long time. APPLICATION - Teacher poster clips are suitable for posters, photos, scrapbooks, carpets, lights, etc., for offices, schools, homes, etc.