stool seat cushions student classroom summer summer summer mat long-sitting bench cushion thickened sponge cushion garment factory seat cushion 凳子坐垫学生教室夏季凉席久坐板凳坐垫加厚海绵屁股垫制衣厂座垫

dark gray light gray khaki grass green dark blue creamy-white dark gray (removable summer mat) light gray (removable summer mat) khaki (removable summer mat) grass green (removable summer mat) dark blue (removable summer mat) beige (removable summer mat)

34x24x3cm thick 34x24x5cm thick 34x24x8cm thick