1.Specification: Diameter100mm*Height50mm 2.Spherical Diameter60mm*Height20mm 3.Glass road stud glass cat eyes 4Material Tempered Optical Glass of Highly Crystal Silicon 5Hardness 170 6Retro Reflective Angle 360 7Colour White /Yellow /Red 8Weathering Resistance Properties above16280h 9high quality with competitive price 10. Anti-Collision Resistance above 20MT Packaging & Delivery Packaging Details:carton Delivery Detail:10 days after receiving payment Specifications 1.glass road stud 2. Anti-Collision Resistance above 25MT 3.material:tempered glass 4size:100*50mm