Made of 80% cotton and 20% polyester, this yoga harness strap is very durable and comfortable. This fully adjustable harness strap allows you to carry your mat easily and comfortably over your shoulder or by hand, like a briefcase. The velcro just makes it easy and quick to wrap around the mat. Just free your hands / arms from holding the mat on your way home or to your class. Very functional, the harness strap can also replace your yoga bag and pack your yoga mat. It works well with extra large thick mat.The strap is approximately 50 inch (128cm) long and 1-1/2 inch (3.8cm) wide. It is adjustable for you to make a comfortable length to carry on shoulder or by hand. Material: 80% polyester, 20% cotton** Adjustable shoulder strap and velcro loops.** Hold yoga mat up to full 3/8" thick.** Quick release and adjustable loops for easy use.** High quality, reinforced and durable strap for long life.** Lightweight and packable, simple to use.A fast-access alternative to a mat bag. Durable and lightweight, GOGO Yoga Harness Strap is your best choice for an excellent carrying strap.Note: The mat in the picture is not included.