The Gear FC Jumbo Disc Cone 8 Pack a versatile training tool. They can be used as field markers, added to agility training, such as slalom running. Also, the cut outs on top of the cones allow you to place poles on top of the cones to create 6 inch high hurdle with your agility poles. You can look at adding on the Gear FC Grass Agility Pole Set. Available in 3 colors - Neon Yellow, Blue, Red.