This is a set of 25 brand new, unused marker cones (yellow). I had planned to use them with a ladder for entrance exam preparation, but I ended up not needing to open them. Product Details: Material - Soft plastic (LDPE: Low-Density Polyethylene). Convenience: Can be stacked in the stand holder, making them easy to carry and store. Highly Visible and Versatile: Bright colors make them easy to see during training. Can be used for sideline/boundary markers, speed and agility drills, obstacles, targets, and more.