Material: less steel.The bracket has high rust resistance and does not rust, thus extending service life and saving terminals. greenhouse glass s ensure the safety of your greenhouse.Suitable for a variety of materials, such as hollow slabs, multiple wallpapers, glass greenhouses, etc.Suitable for almost all aluminium-framed greenhouses, to install greenhouse glass into an aluminium frame typhoon or rainstorm comes, you can prepare these clips in advance to strengthen your greenhouse glass panes to prevent damage. : silverPackage Contents:50* W Wire Clips50* Z Overlap Clips the above package content, products are not included.Note: shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!