The Sammy has been used by swimmers and divers for over 25 years. Made of a high tech PVA polymer material which is highly absorbent. The Sammy is an ideal way to dry off after practice dives or laps. It dries your body and hair much quicker than traditional towels. The Sammy is convenient for traveling and comes with its own storage tube. It is machine washable and lasts for years. One size: 13" x 17".