PHANCIR foot rest is designed with 6 adjustable heights ranging from 3.1 to 7.5 ensuring optimal comfort for various body types and sitting postures. Its ergonomic design supports your feet keeps your back straight relieves back pressure and pain and reduces fatigue to boost energy. The foot rest from high-quality black plastic with a matte non-slip finish. It features powerful suction cups for ultimate stability staying firmly in place even on smooth or wet surfaces. PHANCIR versatile massage footstool equipped with multiple rollers and raised granules massages acupoints to improve blood circulation and relieve foot fatigue?ideal for long hours of sitting. Lightweight removable and portable this practical footstool is perfect for the office study room living room bathroom or travel.