1. Material: EVA, TPE
2. Function: relax cervical spine, massage and relax lumbar spine, correct sitting posture
3. Load capacity: 100 kg
4. Using environmentally friendly EVA material, environmentally friendly and odorless
5. Surface 3D floating point design, uniform and deep massage
6. Ergonomic radian design, soothing and relaxing the lumbar spine and neck
7. Product size: 30 x 24.5 x 9 cm
8. Weight: about 400 grams