Cura-Heat Neck & Shoulder Pain Direct to Skin can be applied directly to the skin for those who prefer direct skin application heat therapy. The flexible contouring heat patches deliver 8 hours of soothing heat & provide targeted, temporary warming relief to painful & stiff areas of the neck/shoulder & can also be used on the wrist area. Fragrance-free, non-medicinal & with a thin discreet design, they are ideal to use anywhere.