✔ AUTO HEATED EYE MASK- No need microwave or electric plug, just open and put on, it automatically starts heating and warming up. Take a anti-wrinkle energizing spa treatment without go to spa.【Tips: The ear strap is cling to the steam eye mask, you just need to push slowly and you'll see it.】✔WARM AND RELAXING- The temperature of the Disposable Steam Eye mask Only 104℉-113℉. it ‘s just higher than the human body’s temperature in a little bit. so you will feel warm but not hot. This temperature lets you relax to sleep easily.✔DOCTOR RECOMMENDED- If you want to relieve eye strain, eyes treat dry eyes, pink eye. This moisturizing hot therapy promotes blood circulation for your under eyes, relief for migraine, Headache, Dry eyes, allergies, dark circles, puffy and itchy eyes. You will enter a good sleep accompanied the faint chamomile floral scent.【NO EAR STRAP? NO! IT HAS!】The earstrap of heatd eye mask is fitting snugly over the eye mask so it's hard to find for you. You turn on the steam eye mask, you can find the coton side and push eye mask with your thumb, then tear off the earhook from the middle, the ear strap will shown.✔EASY USE ANYTIME OR ANYWHERE- The soft material has elasticity, Conforms to your face and eyes, suitable for any face shape and any posture, day or night, sleep or just short nap,, travel, or after a long day in front of a computer screen. Each single-use mask lasts for approximately 20-35minutes.✔ SATISFACTION AFTER-SALE SERVICE- SAFE MATERIAL- Contain pure co-tton, medical fabric craft, and elastic co-tton material, comfortable and skin-friendly for your eyes. If you're unhappy with our eye mask for any reason, let us know. We're sure that with the proper and intended use, you'll love these eye masks as much as we do. Buy with confidence.