【Easy Fitness at Home】 Simply roll the device over the areas you're concerned about for easy stretching and myofascial release. 【Size】 Approximately 30cm wide x approximately φ9.5cm (circle diameter) 【Uses】 Fatigue from long hours of gaming or smartphone use Body maintenance for desk work and standing work Stretching before training After bathing or before bed Relaxation time after waking up 【Effects】 Improves adhesion of fascia to expand range of motion, promotes blood and lymphatic flow, and leads to relief from muscle pain and stiffness. 【Usage Tips】 Use a comfortable intensity that doesn't cause pain. Move slowly, focusing on each area for about 30 seconds to 1 minute. Avoid applying directly to bones or joints, and avoid directly massaging the neck or lower back. Thank you for viewing. I accidentally purchased two of the same item, so I am selling one. I have actually used it, and it helps prevent swelling, and my legs feel lighter. My sleep quality has also improved. Thank you.