1) Size: Diameter100mm * height 50mm  
           Diameter of sphere 60mm *height 20mm
2) Material: Tempered Optical Glass of Highly Crystal Silicon
3) Color: White, Green, Blue, Amber, Yellow, Red
4) Retro Reflective Material: Silvering Material
5) Protective Material: Metallic Compound
6) Retro Reflective Angle: 360^o           
7) Hardness: 170±5
8) Weathering Resistance Properties: ＞16280 hours
9) Anti-Collision Resistance: ≥20 ton
10) Product N. W.: 500g±10