Space Shuttle Challenger acrylic - flown AFRSI blanket
These are the first official Space Shuttle custom-designed and professionally produced acrylics :Made out of the most advanced acrylic available on the market today - Plexid 55 - these are ultraclear with no discoloration over time. Unlike other privately made acrylics these are real blocks, not cheaply glued or screwed together. Each block is in the size of 3''x4' and about 1'' thick.Perfect for any office table or even flat down in a cabinet!This acrylic contains a flown piece of flown AFRSI (Advanced Flexible Reusable surface insulation blanket) on STS-41 G and removed after the flight. (NOT from the ill-fated flight STS-51-L, but removed before).