1. ABS brand new material, strong and durable, load-bearing increased by 200KG. It is easy to store and carry, and helps stretch muscles and calves, thereby supporting foot health. The size is 28x31x10cm. 2. Five levels are adjustable, suitable for the whole family. The first gear is suitable for children or beginners. The second gear is suitable for middle-aged and elderly individuals. The third gear is suitable for young people or those with basic exercise routines. Four gears are suitable for yoga, sports, and fitness enthusiasts. Five gears are suitable for advanced fitness users. 3. Comfort: The heel uses a textured surface and plastic to help prevent feet from slipping off the board. 4. Supports relief from heel discomfort: Helps relieve foot discomfort caused by chronic conditions such as plantar fasciitis, Achilles tendinitis, ankle strain, and arch pain. Encourages proper foot posture for effective stretching. This stretch board also supports improvement of flat feet, arches, valgus, varus, X-shaped legs, and O-shaped legs. 5. Purpose: Focuses on stretching the arches, calves, hamstrings, and hip muscles. It can be used at home, in the office, or for indoor and outdoor activities. 6. Easy to use: No assembly required. Suitable for men, women, and older adults. This is a simple tool that serves as an effective stretching aid. 7. Can be used while standing or sitting on a chair, allows for proper posture, helps relax foot muscles, and supports flexibility for office use or travel. Ideal for indoor and outdoor activities, foldable and easy to carry.