Containing lavender and flaxseed, the Bamboo Hot & Cold Herbal Bath Shoulder Wrap by Spa Relaxus provides aroma-therapeutic effects while relaxing and soothing shoulder muscles through hot or cold treatment. The interior herbal packet (shown below) can either be chilled in the fridge or freezer or heated in the microwave, and the exterior soft terry cloth cover is machine-washable in cool water on the gentle cycle. With its gentle yet substantial weight and contourable texture, this shoulder wrap is perfect for relaxing your shoulders after a long day at the office, or soothing muscles after intense exercise.