It is a weighting neck pillow (1.8 kg); deep pressure stimulation feels like a warm hug.Relieve pain: The neck protector is suitable for the neck, shoulders and upper back. The shoulder warmer is very suitable for stressful use. The mat will release the deep heat for 10 to 15 minutes, and then keep it warm for another 10 to 15 minutes.Easy activation: Heat the cereal pad from 1 minute 30 seconds to 4:00 minutes (maximum heating time) in the microwave. Allow the neck heating pad to cool to room temperature between heating cycles.Material used-super soft plush Minky fabric (100% polyester fiber). Full of clay beads, flax seeds and 100% natural dried herbs (lavender, mint, chamomile and lemongrass).Our product line includes microwave safety heating pads, eye masks, weighted blankets for children and adults, weighted knee pillows, sensory compression beds and orthopedic knee pads