Baby Bright Sleep Well Lavender Heating Eye Mask Gently treat your eyes for a home spa experience with the heating eye mask This heating eye mask gradually becomes warm to help in blood circulation as well as relieving eye strain swellings and also reducing dark circles It is blended with natural essential oil to help refresh relax and promote better sleep Product Usage Tear open the package place the mask on your eyes and put the loops around each ear The eye mask will start becoming warm and eventually reaches the temperature of 40 degree celsius Leave it on for around 10 to 15 minutes before removing