1. Fiberglass Tube 2. Colorful,UV resistant 3. Good flexibility,impact resistant 4. UL,ISO9001,RoHS,6P testify Desc : Fiberglass telescopic composites ... . Colorful,UV resistant2. Light weight,high strength 3. Good flexibility,impact resistant4. UL,ISO9001,RoHS,6P testify Fiberglass telescopic tube .OD23mm ...