Product name: Mini bag type supine aid Material: iron+PP+ high elastic high density cotton cover Suitable for textured wooden floors Portable sit-up aid, born for thin waist, easily transform, create charming curves, and be more beautiful yourself Slim and thin waist, strong suction, safe and stable, portable and versatile Lightweight, stylish, break space constraints, easy to carry One key press, easy to fix, one case use, one mention storage, simple operation, even a little girl can easily operate High-density soft and comfortable foam, soft and moderately fit to the instep, non-slip and suction note: Please avoid cracks in the floor. Please wipe off moisture and dust before use. Please note that this product may not be suitable for textured wooden floors.