NATURAL CORK YOGA MAT: This mat is made of premium organic Cork and Natural Tree Rubber in 183x61cm and 188×66 cm, 4 mm thickness. The top layer cork provides a smooth Non-Slip texture, and an Extra Thick bottom layer of natural tree rubber creates cushioning for your spine, elbows, knees and hips. For your convenience our mats come in EXTRA LONG, EXTRA WIDE size for yogis in all sizes and shapes and for different practices.ECO-FRIENDLY, GREEN & TOXIC FREE: This mat is made with only Natural materials and is Sustainable, Eco-Friendly and Biodegradable. The mat is Toxic Free, No Latex, PVC, Silicon, and Phthalates. Use this mat comfortably knowing there are no unnatural materials used in your mat, and you will be helping our planet.WATERPROOF AND NON SLIP: Cork has a natural Non-Slip property, when the cork is wet the grip is enhanced, thus the more you sweat the better the grip which eliminates the need for a yoga towel. Natural cork has antimicrobial properties which reduces the sweat odour during and after practice.GREAT FOR INDOOR AND OUTDOOR: The extra thick natural rubber at the bottom of this cork yoga mat makes it suitable for any kind of flat surface. Thus feel free to take your exercise outdoor with your So’Ham Yoga Mat.FREE YOGA MAT BOX AND STRAP INCLUDED: All of So’Ham Yoga mats will come in a yoga mat box and a yoga mat strap which will make it easier for transportation and storage.