9IN SLOTTED CONES Each cone stands 9 inches high and stacks easily for portability and storage. COLLAPSIBLE DESIGN The slotted design allows these cones to collapse if accidentally stepped on, helping to reduce the likelihood of injury. SUPERIOR VISUAL ACUITY This set has been specially designed in a bright neon color to provide superior visual acuity to help you to improve footwork, speed and agility. SUITABLE FOR INDOOR & OUTDOOR USE - Ideal for establishing field boundaries and setting training courses to improve player speed and agility. An essential part of training in all sports, including soccer, baseball, football, field hockey, track & field and more!