The plastic organizer features sturdy construction with drop-proof plastic and decent load-bearing capacity for small parts. It offers multi-functional storage for screws, nuts, bolts, and hardware. Wall-mounted design with 30 organizers and 2 pegboards saves space, easy to install with mounting screws. Includes 2 sizes: 18 small yellow bins (3.82x3.62x1.96 inches) and 12 large black bins (3.97x6.41x2.75 inches). Total assembled size: 25.19x7.28x14.96 inches. Weight: 5.21 pounds.