... PU foam, 2.wave-shaped design,memory function, comfortable,relax the head and neck 3.different size Our ... company,Yecheng Polyurethane Co.,Ltd was established in 1992, we produce PU products, for example PU memory foam pillow ... neck, which relieve the pressure effectively.3.gentle memory function, soft and comfortable , give you better ... processing and production are welcome Memory foam pillow