Made from over sized traditional Indian fabric, TWISTED GURU beach mats offer a gorgeous, sand free, serenity space to practice. The underside of the mat is equipped with four-(4) corner pockets that can be filled with sand to firmly secure the mat in place during vigorous vinyasa, even on a windy day. One-(1) of the pockets is a zippered, lock pocket for valuables. The pocket has a water resistant pouch inside making it a safe place to hold your electronics. The lock is a water-resistant, three-(3) digit numerical lock with a personal code option. The mats are made with vegetable dyes and come with a convenient coordinated backpack, for clean, easy travel and storage. For your added convenience there is also a beach yoga practice DVD included in our gift package. They make great gifts and even better souvenirs.