This is set of 3 MasterELD hazard emergency safety reflective road triangles. Brand new. 3 triangles + box. Approved by the DOT. Sand filled base makes the triangles unmovable in windy conditions. Size: 17 x 17 x 17″. Reflective lights on both sides of the triangle. We don’t fill up the base due to shipping cost so you will have to supply sand on your own. Shipping via USPS mail or local pickup in Bensenville, IL, 60106.