European E-MARK certified, they are made of high-quality plastic material and equipped with sturdy PC UV lenses, not easy to break, perfect for dark nights, helping you stay safe and seen.Dimensions: approx. 9.5 L x 3.8 W. Screw length: 2.2 cm. Distance between two bolts: 7 cm.The set includes 10 rectangular reflectors, each with two mounting holes, which reflect strong light and ensure safe driving at night. The rear reflectors are ideal for mounting on door posts, bicycles, travel trailers, trailers, trucks, RVs and other vehicles.Easy to install, stainless steel bolts and nuts are included. These rectangular reflectors come in packs of 10, each with a set of screws and bolts.Product Confidence - Products are backed by quality and friendly customer service. If you are not completely satisfied with the product for any reason, we will refund your money. We will let you know and we are here to help you!