Features:Waterproof, sun-protection, cold-protection.It can be used in trucks, trailers,and RV.It is suitable for parking, malfunction repair, safety warning, emergency reminder and so on.Its folding design is very convenient and flexible to operate and easy to carry.Made of ABS material, it has strong reflection and is visible in the evening. Specifications:Material:ABSDiameter:29cm/11.42''Quantity:3pcs Note:Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:3x Warning Triangle