At only 1 oz. this is the lightest weight seat pad we offer! It is 1/3 inch in thickness and is the best value for the quality. This seat pad has a heat bonded fabric cover and can be cut down easily to fit any sized seat. Our customers often use this seat pad to build up height by purchasing several at a time. Made from a closed cell foam to our design. Double backed tape included. Made in the U.S.A.