1.3lb Weighted Design for Effective WorkoutsThe 3-pound weighted structure boosts calorie burn and core engagement, making it ideal for weight loss, toning, and improving overall fitness. 2.Soft Spring & Waist-Friendly ComfortCrafted with a flexible spring material, it cushions impact on the waist and back, ensuring a comfortable, low-impact workout even during extended use. 3.Foldable & Portable for On-the-Go FitnessThe foldable design allows easy storage and travel, fitting into bags or suitcases so you can maintain your fitness routine at home, the gym, or while traveling. 4.Upgraded Closed Silent VersionThe improved closed structure eliminates noise during use, providing a quiet, distraction-free workout experience without squeaks or rattles. 5.Durable & Easy to UseThe sturdy spring construction ensures long-lasting performance, while the intuitive design makes it suitable for beginners and fitness enthusiasts alike.