Use this set of 12 foam triangles for crafts, mini christmas gnomes, foam Christmas tree, wedding bouquets, science projects, or party decorations. The smooth polystyrene can be decorated using paint, glitter, ribbon, cloth, and ornaments to create custom party decor, floral centerpieces, or signs for an upcoming holiday party or birthday celebration. Each cone measures approximately 2.87 x 7.25 inches and can easily be cut to your desired size or shape.