Whoa! Sandworms, You Hate 'Em Right? A mix of clay and beads. The Beetlejuice clay pieces that are big are 10mm and the small Beetlejuice clay pieces are 5mm. This has black round ball beads and long clay sprinkles in green, black, purple. Also has black and white swirl designs (5mm) and dark purple flatback plastic rhinestones. Will come with 3 plastic worms. 15mL Jar. Great for arts and crafts, diy projects, shaker charms, etc.  Please conduct your own testing before using in final project.  See how big a 15mL jar is at this link: click here Not edible.