ABS Plastic is though and non-shattering, making it an inexpensive alternative to Polycarbonate (Lexan/Makrolon). It offers endless possibilities in your VEX robot design and is easy to work with. More than just plastic sheets, Resource & Installation Kit available upon request, with tips and info, adhesive cutting/drilling guide, and plastic usage chart. Sheets can be cut easily (even tin snips work well for small pieces) and can be cold-bent or heated and bent. Legal for use on competition robots: Rule R7f permits plastic from one 12x24x0.070" sheet. Includes three 12x24" (+/- 1/8") sheets of 0.056" Thick ABS Plastic. Black color, front has a "Haircell" pattern and the back is smooth.