EZ Flow Black Super Jumbo Cold Wave Rod. Looking to create big, bouncy curls that last? Look no further than EZ Flow's Black Super Jumbo Cold Wave Rods. These top-quality hair styling tools are a must-have for any beauty professional looking to create gorgeous, long-lasting curls that will leave their clients feeling confident and beautiful. With a generous 1-1/4" diameter and sleek black finish, these rods are as stylish as they are effective. Each pack includes 6 rods, so you'll always have plenty on hand to create stunning styles for your clients. Don't settle for anything less than the best - choose EZ Flow for all your styling needs.