3/8" x 24" x 48" - Clear Polycarbonate Lexan General Purpose. Our Price: $89.99. Nominal 3/8" Thick (actual thickness will be approximately .310" to .375"). These polycarbonate sheets have masit on both sides. Allow + or - 1/8" tolerance in width and length. General purpose polycarbonate. All 4 edges are saw cut.