Set up your course in a snap! Simply place Hang-Emz™ over any cone, arrange cones and your circuit is complete. Customize or create new activities with unique messages. Hang-Emz™ dry-erase coating is made with durable laminated plastic, so you can highlight muscles, assign reps or add your own exercises. Add numbers, colors, words, math, letters, symbols and more. Flow Marker arrow dial rotates a full 360°. Water-resistant for indoor/outdoor use. Cones sold separately.