The size is 7 inches in height, 5inches in diameter. Four holes on marker cones for attachment, if it is a windy day, you do not need to worry it will blow all over the place.15"high field cone markers perfect as soccer cones, agility and fitness marker cones. Designed for use on any surface - grass, concrete, gym floors, cement, artificial turf and more.It can stack on top of each for easy storage and transportation. Long lasting: Fade-resistant, cleat-proof so you can use them over and over again.The 14-inch flexible traffic cones can be used for an assortment of outdoor and indoor activities, such as drills training at soccer, football, basketball, games at themes parties and festive events, kids play, bicycle obstacle course, motorcycle training, race RC cars, dog training, horse training and much, much more.