Ereada Far Infrared Amethyst Mat Pillow - High End Negative Ion and FIR Pillow - Jewelry Grade Natural Amethyst Gems - Memory Foam - Luxury Suede (Standard Pillow 19" L x 12" W x 3.5&rdquo;H, Rich Brown) Contains rows of amethyst gems sewn into the entire length of the pillow. Around 2.5 pounds of the 100% natural purple Amethyst known as a healing stone associated with sobering and calming qualities called "nature's tranquilizer". This pillow forms a luxury set with Ereada BROWN Amethyst mat. But it can also be used separately or with all other Infrared Gemstone mats, hot stone FIR mats and heating pads FIRM Amethyst pillow is 19"L x12"W x 3.5H, total weight 5 pounds. Non-powered. Does not utilize electricity. Naturally and gently emits negative ions and far infrared rays reflecting your body and heads own heat to activate far infrared rays from amethyst crystals in the pillow. Captures warmth from overheated zones of the head and returns it to the lower temperature parts improving head and neck circulation Supports neck and keeps head elevated and cool when using hot stone mat or heating pad. The pillow consists of 2 parts: the memory foam insert and the cover with crystals. The zipper allows to remove insert and use the cover with Amethysts on your own pillow for comfort sleeping. Heat-resistant insert is excellent for FIRM cervical support and especially useful for high heat sweating sessions on the FIR mat Great to use this Amethyst Pillow without the heating mat for more relaxing and restful all-night sleep, to protect both body and mind from EMF and have more positive emotional state. It effectively addresses neck, back and joints issues. When sleeping on your side, a firm pillow between your knees can reduce stress on your hips and lower back preventing misalignment and pain Amethyst is known to soothe people engaged in constant rigorous mental activity. Amethyst Pillow helps to create Restful Environment to Relax Nerves, Reduce Negativity, Alleviate Anxiety, Stress, Occasional Sleeplessness, and Tension. In Korea Amethyst Pillows are used to improve look and appearance of skin, for face and hair rejuvenation. Sleep Better and Wake Up Energized!