Herbal Comfort Mitts provide 100% all natural aromatherapy. Warm hands, warm heart! Mitts are filled with 12 healing herbs and the highest quality, natural grains available. The natural herbal content contours the curves of your hands and helps relieve stress, tension, cramps and muscle discomfort. Using Herbal Comfort Mitts promotes fast relief from joint and tendon pain. One size fits all. Microwave for instant hot therapy/chill for cold therapy. To clean, wipe with damp cloth. Do not submerge herb pac. To store, keep in dry, cool place in a resealable plastic bag to increase longevity.MATERIAL: Made in the USA, the 100% polyester fabric, resembling a Minky touch, enhances the comfort of use and allows for convenient maintenance. ALLEVIATES PAIN: Helps in relaxing spasms of wrist muscles. On one hand, it reduces stress, and inflammation, on the other, soothes acute and chronic pains caused by stressed joints and tendon. HOT AND COLD COMPRESSION: Hot compression, helps in flushing out pain-inducing chemicals and reduces muscle stiffness. Cold compression lowers metabolic rate, constricts the blood flow from leaking into the tissues, and helps reduce swelling, edema, and pain. BLEND OF 12 HERBS: A blend of Lavender, Valerian Root, White Willow, Chamomile, Rosemary, Peppermint, Spearmint, Hops, Yellow Dock, Lemon Grass, Cinnamon, and Yarrow allows for unique aromatherapy that aims at relieving your depressions, tensions, muscle spasm, and aches. DESIGN: On one hand, the ergonomic mittens covers the palm and wrists, on the other, the curved end leaves space for the fingers to move.Best Sellers Rank: See Top 100 in Health & Household. : B004W2H4JM. Manufacturer: Herbal Concepts. Date First Available: April 8, 2011. Item model number: HCMITL. Product Dimensions: 11 x 6 x 2 inches; 2.2 Pounds.