W#17: Natural seashell, crystal painted glass stone and aluminum craft wire Approximate dimensions: 4 cm (about 1.57 in) W x 7.5 cm (about 2.95 in) L; glass stone 2 cm (about .79in) in diameter. Includes a black 17'' layered multi-strand voile organza ribbon necklace cord or an 18” white waxed necklace string rope cord (2mm dia) with chain clasp.