This extra thick yoga mat is lightweight and durable. It will offer insulation from cool floors and can be rolled or folded for use in poses. J Fit yoga mats provide a stable, non-slip surface that helps you achieve proper alignment to experience the full benefits of yoga. Made of durable foam with a high tack surface that provides stability, with a waffle weave for high durability. Mats measure 24" x 72" x 1/4" thick.