Bold chunky clear acrylic spiral tube bangle, circa 1980s -- 1 1/2" maximum width of 1 1/2"; 2 1/2" diameter opening (measuring across the center) which is the standard for most bangles. The tubing is rigid and very durable. There are a few light imperfections such as a bit of surface bumpiness on the inside (possibly from manufacture) and very light stress lines inside which is observable only upon close scrutiny. - $160