Thank you for viewing. Used a few times. No scratches or stains. The pump has been tested and is working properly, with no rust or dirt, and is almost new. Ideal for posture correction. - Brand: ELECOM - Product Name: Square Balance Cushion - Size: Approximately 40cm x 40cm x 8cm (height) - Weight Capacity: 120kg - Material: PVC Returns are not accepted. I will answer any questions you may have.