... s requirement. 1,We can supply all kinds of furniture office healthy chairs,different sizes,material,color and so ... customersall over the world.3,the surface of the chair is made of rubber band,the feet is made ... is made of plastic,inside the chair is the rubber band,4,our chair is suitable for the office ... want.6,If you are interested in our furniture health chair,pls feel free to contact me.7,welcome ...