Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you! HIGH QUALITY - Made from memory foam that is durable and no matter how many times you sit your pretty butt down it will never go flat! PERFECT -The Orthopedic Ring Cushion has a soft handle,easy to carry and portable.Cover with durable zipper,removable and washable ASSIST PROTECT THE BODY - Shape of the cushion helps distribute weight for the user to increase comfort. PORTABLE AND EASY CLEAN -The perfect weight is 0.82 pounds and measures 37.8 30.8 6.4 cm, which means easy to carry around in office chairs, wheelchairs. no need to worry about service headache.