The chairs are made of black PU material with silver metal legs, designed to be simple yet stylish.The chairs are filled with sponge for a comfortable sitting experience, and the legs are equipped with anti-slip pads to protect the floor and increase safety. The chairs are designed according to ergonomics, providing a more comfortable sitting posture, with simple line designs on the backrest.Modern designed dining chair with elegantly curved silhouette and thicken seat cushion provides the chair with maxmium comfort. High-quality PU seats, soft and comfortable. The PU seat cushion has good elasticity and softness, providing a comfortable sitting experience and is suitable for long-term use. At the same time, PU material is wear-resistant, age-resistant, and easy to clean. Sturdy metal legs provide stable support and keep the seat secure during use. The legs of these stools consist of metal, making this incredibly durable and ensures that these will hold up under use. Assembly instruction and assemble tools are included, easy to install.Most people can do in 10-15 minutes.