A set of 5 self-heating eyemasks filled with essence of jasmine and iron powder for a interstellar relaxation experience that will help you relieve stress and tiredness. Use the spacemask eye mask after a long stressful day to reduce eye strain and help to prevent headaches. Lie back and unwind while you feel the natural heat caused by the iron particles released in the atmosphere soothing your eyes. There are detailed instructions on the pouches for an ultimate journey of relaxation and calmness. The box contains 5 Spacemasks Size : 10 cm x 20 cm Made of Infused Jasmine, Iron Powder