High quality: Made of red acrylic reflex material for night visibility and orange fluorescent plastic material for day visibility, rubber non-slip foot pads and interlocking arms with spring pin slots can fix the triangle in place to avoid being blown away or knocked down during driving or extreme weather. Qunatity and Compact Size: Pack of 3, 16.5 x16.5 x 16.5 inches, Weighted base assures stability while the universally recognized shape, size and color alert motorists. Easy to Use and Store: Requires no batteries or tools to set-up, it can fit in a convenient plastic storage box and quick set up. Collapsible design for easy car storage and quick set up, no tools required. Good Stability: Can fit flat ground, excellent stability. Often used for cars, road construction, work trucks, tractors, trailers, maintenance vehicles and other safety equipment. Ready Any Time: Alerts motorists to roadside trouble day or night keeping you and your passengers safe. Three triangular designs, with fluorescent orange plastic frames on both sides, can provide warning for daytime use, and the red acrylic reflector can work effectively at night. Ideal for use during roadside breakdowns or other emergencies.