Stackable: You can stack these chairs without armrests to save space for unused time. The rubber pads under the seat can prevent scratching the chair below. Strong and durable: The parts of iron, wear-resistant and scratch-resistant electrostatic spray technology, the load capacity is 150kg. Anti-scratch pads: Rubber feet prevent living room chairs from slipping and scratching hardwood floors. They can also reduce noise when you move the chairs.