The Green Angel Luxury Herbal Eye Cushion is hand-made and completely natural. Its silky satin material filled with treated natural Flax Seed and Lavender sweetening the air with a relaxing aroma. Squeeze Herbal Eye Cushion to release aromatherapy and place over eyes to provide light acupressure. Can be used at room temperature or cold. The Green Angel Luxury Herbal Eye Cushion can be stored in a sealed plastic bag in the fridge when not in use ready to use when needed. Great travel companion.