Made from 1/2" pvc so they are weatherproof and mold proof - will keep year after year. cut on a cnc to be sure quality cuts each time. Snowflakes come with a hole to add string/twine so customers can hang wherever they prefer. can also be painted. options are plentiful. Approximate sizes: Style 1 large- 12" x 11.5" x .5" Style 1 small - 8.5" x 7" x .5" Style 2 large - 12" x .5" Style 2 small - 8" x .5"