Opened for inspection. This item is a "defective" product due to warping, scratches, or air bubbles caused during processing. (See photos, these are not the actual items to be shipped) Please refrain from purchasing if you are looking for a perfect product. We appreciate your understanding and consideration. Retail price: 1480 yen A three-dimensional design that makes it easy to naturally focus on the muscles around the pelvis just by sitting = the bulge in the center gently stimulates the pelvic floor muscles (PC muscles). Simply place it on your usual chair or floor to make your daily "sitting time" a self-care habit. Recommended for those who are concerned about their posture or want to be conscious of their hip line. Can be used during "multi-tasking time" such as desk work, housework, and watching TV. Lightweight and compact, making it easy to use at home or in the office! A self-care item that can be started without special knowledge or skills, even for those who are not good at exercise.