Metal dining chair. This 4-piece set of metal dining chairs is made of scratch-resistant steel, which is strong and durable. Rubber feet help to protect your floors from scratching. Plus, these chairs are stackable for easy storage when they're not needed. The whole design of the seat surface is both ventilation and drainage, which is very suitable for indoor and outdoor spaces, such as living rooms, kitchens, bars, cafes, bistros, etc.