Jiva Yoga 1/4 Inch Thick Memory Foam Non-Slip Yoga Mats with Carrying Strap and Bag - Black Lava THICK MEMORY FOAM & PERFECT LENGTH: No more achy knees or elbows. Our  inch (6mm) yoga mats with memory foam cushioning gives your bones and joints the support they need for proper alignment. Plus, Jiva yoga mats are 68 inches long to ensure your downward dog sticks and doesn't go sliding off the mat! NON-SLIP GRIP: Your hands and feet will love the stability and hold of the non-slip waffle weave design and texture. Everyone will be in awe of your sticky, gecko-like powers even in the toughest poses! ECO-FRIENDLY: Jiva yoga mats are completely heavy metal, latex, and rubber free for those with allergies and sensitivities. FREE CARRYING STRAP & BAG: As a bonus, we provide a free carrying strap and a mesh bag for easy travel to and from the gym, work, studio, or wherever your yoga practice takes you. 100% SATISFACTION GUARANTEE: We believe in karma. If you dont absolutely love your Jiva yoga mat, we will refund you every cent. Just ask us.