Ergonomic Cushion Negative Ion Waist Pillow $ 48.62 Product information: Product category: lumbar support Coat: sports breathable bead cloth Liner: anion thickened soft sponge Framework: ABS plastic molding Binder: rubber band+polyester Color: Negative ion decompression waist - black, negative ion decompression waist - dark blue, negative ion decompression waist - dark grey Size: 40 * 44 * 10cm Weaving process: splicing Style: modern and simple Packing list Cushion * 1pc