These crocheted Cozies are 100% handmade with an insulated yarn imported from Denmark. The small Cozie, our most popular, measures 4" tall and has a 2.5" opening.  The large Cozie measures 5" tall with a 2.5" opening.  Cozie opening can stretch to accomadate most cup sizes.  All are crocheted with a convenient handle for comfort in holding the Cozie. The insulated yarn will keep hot drinks hot and iced drinks iced.