Worried about drilling holes into your walls to install bathroom shelving? Use Zenith"s Over the Towel Bar Shelf to gain 18 inches of storage shelving without the need for tools. This caddy slides easily into most standard towel bars 12 inches or larger. This durable, rust-resistant shelf can be used inside or outside your shower. The chrome-plated steel wire construction looks great with most bathroom finishes. Store or display your bathroom items without interfering with your existing towel bar thanks to this caddy"s unique design. Zenith"s toll-free USA based Customer Service department is available (800-892-3986) to answer any additional questions.