Easily Deployed and Stored: These fluorescent triangle-shaped flares in a flip-up design fit in a handy plastic storage box and set up quickly. Requires no batteries or tools for installation. Day/Night Emergency Warning Indicator: The Triangle Reflector Alert Kit is made of an impact-resistant polypropylene plastic case. The reflectors are made of red acrylic reflective material for night visibility and orange fluorescent plastic material for daytime visibility. Triangular base with 4 feet: sturdy and lightweight material, can adapt to flat ground , with 4 feet for greater stability. Compact size: Each triangle measures 16 x 16 inches and comes with a hard plastic storage case, perfect for every car, truck, SUV or motorcycle. Number of shipments：2 pieces