Always read and follow the care instructions and any warnings on the garment label. And, follow the General Rules for washable fabric stain removal.
This is a real tough one, and may be permanent. It can penetrate into the fabric and when it dries coats the fibers in a harden "plaster." Unless there are instructions on the product label, you can try specific stain removal products available at the grocery or drug store, such as Carbona's "Stain Devils®" or take the stain to your dry cleaner and tell them to treat it as a paint stain.
DRAPER BODY THERAPY® SHOULDER WRAP
This Body Therapy® Shoulder Wrap offers comfortable, luxurious therapeutic relief in a versatile wrap. The Wrap is 24" x 5" and is made for relief in the shoulders/neck and helps to ease tension. It is available in gray (37% Celliant® Polyester/63% Cotton) or blue (50% Celliant® (Polyester/50% Tencel ), with a flax seed filler inside. It can be placed in the freezer for soothing cool therapy or in the microwave for a soothing heat. Learn more about this technology. Shop for this technology>
MANHATTAN PORTAGE PRALL BACKPACK
Made out of lightweight and durable CORDURA® Lite fabric, this unique bag can be worn over the shoulder that includes a strap clasp to eliminate extra straps from hanging. It also features reflective tape that will definitely make you stand out in a crowd. Unique one strap backpack design featuring both drawstring and buckle closure 3M™ reflective strip for extra visibility. Learn more about this technology. Shop for this technology.