Thank you for viewing! This blue gel cushion with a honeycomb structure and cover provides comfortable seating. It enhances concentration during long hours of desk work or studying for exams. Also suitable for preventing back pain, bedsores, and pressure ulcers. 【Size】 Approximately 38cm x 32cm x 3cm *Please note that there may be slight variations from the actual size due to manual measurement. 【Other】 As this is an imported product, the quality may be less refined compared to Japanese-made products, but it is offered at an affordable price. If there are any issues, please let us know before leaving a review. #welcome sanchan store