Do not punch holes and do not damage any mounting . Anti-UV, anti-UV agent is added to the product, and it not change color for a long time. The product is installed with glue and has a beautiful appearance. Ideal for bonding to the roof - no need for drilling Strong and secure fitting for small and larger solar panels Great for motorhomes, campervans, caravans, lorries, buses or other flat surfaces Can also be used on flat roofs of buildings, sheds, garages etc. Suitable for a range of rigid-framed solar panels Strong and secure fitting for small and larger solar panels colour:white Material:plastic size:18x9x6.5cm Package Contents: 2x Side mounting brackets Only the above package content, other products are not included. Note: Light 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!