1. bright colors make them easily to be seen. Fade-resistant, cleat-proof for long-lasting use. 2.Sports cones are designed for use on any surface - grass, concrete, gym floor, cement, artificial turf, etc. 3.The soccer cones are made of soft PE, lightweight and practical. If training cones get trampled on or squeezed, they retract into their shapes. 4.Sport traffic cones are designed to use in marking boundaries or setting up training courses, such as soccer, football, basketball, kids play, construction type party themes, bicycle obstacle course, motorcycle training, race RC cars, dog training, horse training, etc.