3/8" (9mm) Clear Acrylic Sheet Plexiglass 12"x12" Cast Acrylic AZM Package contains 1 sheet of 12"x12" crystal clear 3/8" thickness Cast Acrylic 3/8" Thickness is thicker than 1/4" (0.25") but not as thick as 1/2" (0.500") Perfect middle thickness for a more sturdy feel Please allow +(-) 1/8" for size. Actual size is around 11-7/8"x11-7/8" Sheet comes with paper masking or plastic wrap that's easy to peel No returns if the plastic wrap has been taken off For custom size and bulk orders please contact for pricing!