Upgraded brackets have greater stability to fit the shelf snugly against the wall, even when holding heavy items. Max. load: 5kg/11lbs. Also, the all-metal frame crafted without any plastic ensures maximum sturdiness.Made of aluminum frame and 304 stainless steel screws, our glass shelf is rust-resistance and ideal for humid environments like kitchens and bathrooms. Fits flat and smooth wall surfaces.It's safe to use & kids-friendly. When broken, it crumbles into small granular chunks instead of splintering into jagged shards as plate glass does, less likely to cause injury.