Enhance Moist Heat and Cold therapies with Blue Instant thermoeyes. Thermoeyes are optional gel packs that boost the original tranquileyes therapies by increasing temperature intensity. Moisten white pouches with warm water and squeeze excess water out. Activate Instant Thermoeyes by snapping the metal disc, then insert into white wet pouches, placing into the goggle on top of the black sponges. Place Tranquileyes goggles on to face and enjoy the hot moist therapy.