The PET pillows contain cayenne pepper. Cayenne pepper contains capsaicin, which produces heat, and reduces muscle and joint pain. (Please keep the pillow away from the eyes.)

Large 6″x20″
cayenne pepper

Medium 6″x17″
cayenne pepper/sage/
eucalyptus/
valerian root

Small 5″x 14 1/2″
Cayenne/Rosemary/
Pine/lavender