[Customer Service]:If you encounter any problems after purchg the product, please feel free to contact us. We will try our best to support you. [Versatility and Flexibility] Perfect for resistance training, physical therapy and agility training, you can wrap them around your hand several times for added tension and a secure grip. Or just tie a knot and use it as a loop band, you can also double them up for even more resistance. [High quality material]:The bands measures 6.6 feet long x 5.9 inches wide, Brown color,thermoplastic elastomer non-stick and latex-free material, environmentally friendly, flexible and durable. Skin-friendly, especially suitable for latex allergy. Durable, elastic, lightweight and portable, the band is compact and perfect for use in the clinic, gym, home or on the road. [Suitable for many sports]:Exercise band for stretching, physical therapy, recovery, pilates,yoga,rehabilitation, strength training. Suitable for legs, hips, arms, abdomen, head and cervical spine. Simple but effective exercises will build strength and improve movement . [Enjoy Fitness]:It is a high quality elastic band product for resistance training and rehabilitation. It is ideal for resistance training, physical therapy and mobility training. Simple yet effective resistance bands stretch and tone muscle groups and improve your posture.