DescriptionThis is and indoor fitness portable sit-up assistant. Thicken and largaer rubber sucker for larger stress area, so that the suction force is stronger for more stable use. It won't be shaking with your movement, you will feel more secure.Features-Material: Iron+PP+Cotton -Size: 14.80X12.00X3.00cm/5.82X4.72X1.18in -Easy to fix and operate, just by pressing one button. -Thicken and larger rubber sucker for larger stress area, so that the suction force is stronger for more stable use. -It won't be shaking with your movement, you will feel more secure. -Suitable for smooth floor, such as wood board, tile, granite, etc. -The high-density, and comfortable can make the feet well cushioned and not painful during exercise.
