Astro Optics Temporary Pavement Marker / Reflector Amber 10 Count New out of box .Buyer receives 10 amber reflectors. Specifications: Size: Approx. 4" x 4" x 3/4" Reflective area: 1.6 square inches per side Housing: High impact plastic - traffic bearing Reflector: Methyl methacrylate (Acrylic) Standard Amber Astro Optics model TPM has been designed for use in construction zones in conjunction with or in place of temporary tape or paint. The Glossy amber or white housing offers high visibility day or night. Its 1.6 square inches of reflective area on each side makes it the most reflective temporary pavement marker in today's marketplace. EASILY INSTALLED AND REMOVED Use bituminous adhesive or butyl pad with primer for proper installation. Lift with edge of shovel for removal. Recommended applications Center line double solid Center line single broken Channelizing (includes exit gore nose) Edge line Lane line