43 glass bead road studs single side Style: Double/single side Weight:300g Load-bearing: 30tons Aluminium reflective Road ... 3. Panel color: Yellow, White, Green, Red, etc. 4. Style: Double/single side 5. Weight: 300g6. Material: Aluminium alloy shell 7 ... with reasonable price Reflecting very obvious Long lifespan 43 glass bead road studs double side