This upgraded 2-tier tempered glass bathroom shelf features an enhanced rustproof frame structure with two screws on each side, effectively solving the wall separation problem of single-screw brackets for firmer and more stable installation. Upgraded from ordinary clear glass, the premium tempered glass boasts high temperature resistance, excellent toughness, damage resistance and easy-to-clean performance. Extended to 15.74 inches in length, this shelf offers larger storage space and comes with a practical towel bar for convenient towel arrangement. It supports two installation methods, including drill-free adhesive mounting for tile walls and drilling mounting for drywalls. Equipped with complete mounting hardware, glue and detailed instructions, it allows effortless installation. Note that hooks are not included, bringing users a neat and durable bathroom storage solution.