... requirement. 1,We can supply all kinds of furniture office healthy chairs,different sizes,material,color and so on ... of plastic,inside the chair is the rubber band,4,our chair is suitable for the office people,it is comfortable ... reduce the pressure in work,so it is our office people's best choice.5,we can also ... 6,If you are interested in our furniture health chair,pls feel free to contact me.7,welcome ...