1. Made of new ABS material, sturdy and durable, with a load-bearing capacity increased by 200 kg; easy to store and carry, helps stretch the calf and gastrocnemius muscles, and prevents plantar fasciitis. Dimensions: 28×31×10 cm. 2. Five adjustable height settings, suitable for all ages: Level 1 is suitable for children or beginners; Level 2 is suitable for middle-aged and elderly people; Level 3 is suitable for young people or those with basic athletic ability; Level 4 is suitable for yoga, sports, and fitness enthusiasts; Level 5 is suitable for professional fitness enthusiasts and physiotherapy/rehabilitation personnel. 3. Comfort: The heel contact surface features a non-slip textured design and is made of plastic to prevent the feet from slipping on the pedal. 4. Relieves heel pain: Relieves foot discomfort caused by chronic conditions such as plantar fasciitis, Achilles tendonitis, ankle strain, and arch pain. Those with knees extending beyond the toes can use it at an angle to guide the foot in the correct posture for effective stretching. This stretching board also helps improve flat feet, collapsed arches, pronation, genu varum (X-shaped legs), and genu valgum (O-shaped legs). 5. Uses: Concentrated stretching of the arches, calves, hamstrings, and hip muscles; suitable for home, office, and indoor/outdoor sports settings. 6. Easy to use: No assembly required; suitable for men, women, and the elderly; simple structure, yet highly effective as a stretching aid. 7. Can be used standing or sitting in a chair; choose a suitable posture to relax foot muscles, maintain flexibility while working, and is also easy to carry.