Product features Package Size: 12.20 × 12.20 × 5.91 inch Package Weight: 4.4 lbs Package Include: 12'' x 12'' Perforated Board x 4 Container x 2 Middle Partition x 2 Hook x 10 Large Hook x 4 Thickened structure, stronger weighing, rounded corners, safe to use. Installation method: 1: Direct glue installation without drilling 2: Screw drilling installation, the packaging box comes standard with two installation accessory packages Drill-free application range: smooth marble/ceramic tile/glass/metal/hard wood wall