The cervical thermal bag is filled with wheat and lavender seeds. It is available in 6 solid colors and 3 prints: Trees, Jellyfish and Animals. Like the rest of Sakitos, it is designed and manufactured in Spain respecting nature. It is very useful to relieve menstrual pain, contractures, lumbar and dorsal, dark circles, varicose veins and more. Includes its own box. The paper that wraps the Sakito explains the different therapeutic benefits in cold and heat. WARNING: When heated, the seeds give off moisture, it is a sign of quality and guarantees good heat retention for a longer period of time. Overheating can damage the seeds. Do not wash in a washing machine or put it in water. It is not advisable to wet the inside of the bag. If you need the textile part, do it with a damp cloth without getting the interior wet.