METAL DESIGN: locker organizer shelf is made of metal and industrial construction, it can easily hold up to 20-30 pounds and not bend under the influence of . Visually with your locker adding style to your life. EXPANDABLE DESIGN: Width can be adjusted as needed from 12inch to 16inch to add additional storage units to your lockers. Perfect for , kitchen, school, gym or home lockers. IDEAL STORAGE SPACE: This perfect cabinet shelf for , school or gym lockers. No pre-drilling or gluing required, you simply adjust the locker shelf to the proper width and then adjust the screws to secure the fit. UNIVERSAL DESIGN: Tool-less installation fits most standard size metal lockers. Adjust the spring-loaded clips to bring the locker shelf to the proper width, then rotate the built-in rubber non-slip feet on both sides for fine-tuning. Secure it with the tension of the locker shelf, it's that simple! IMPORTANT NOTE: This product is pressure mounted and works best on solid walls. It work on slightly flexible walls but may not hold well on very thin or highly flimsy walls.