Non-slip markers for sports training and drills. Great for physical education and games like baseball, football, soccer, boxing, basketball, golf, martial arts, karate, taekwondo, boxing, Jiu . Size: 15.5cm diameter (6.1inch), PVC and material, soft and flexible ring marker disks. The markers stay firmly on the ground and 't tear or rip. High Visibility color can be easily identified. Suitable for use on any indoor outdoor , especially perfect for gym floor. Perfect for coaches, trainers and sports colour: random colors, don't accept the specified color Material: PVC+ Size: 15.5cm in diameter Package Contents: 10 x Flat Disc Cones Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.