These cones are designed for a variety of indoor and outdoor activities, including sports training, events, and as general markers. Material: They are typically made from durable, soft low-density polyethylene (LDPE) plastic or polyethylene vinyl, which allows them to flex and recover their shape if stepped on or squashed. Visibility: The cones feature bright, fluorescent colors (the image shows blue) for high visibility on various surfaces like grass, concrete, or gym floors. Design: They are lightweight, portable, and designed to stack easily for convenient storage and transportation. Some designs include holes for attachment to the ground in windy conditions.