Designed for use in offices, homes, or any setting where you benefit from improved sitting posture and relief from back discomfort. Key benefits Improves posture and reduces back pressure Helps you achieve an upright posture during daily activities Design and materials Multiple adjustable holes to accommodate users of varying height Crafted from comfortable nonslip materials for safe and secure use Ease of use and routine integration Easy to use Practical for incorporating effective back exercises into your daily routine Specifications and performance Function: back trainer to promote better posture Compatibility: adjustable design to fit a range of heights Size: adjustable hole system for versatile sizing Material: comfortable nonslip construction Performance: supports posture improvements and reduces back strain Use scenarios At an office desk to support better sitting posture during work At home while reading, watching TV, or performing light activities to maintain alignment During short workouts or stretch breaks to reinforce posture discipline