Eyeseals 4.0 are perfect for relieving multiple dry eye-related conditions, wherever the symptoms may strike. Gently shelters eyes from draughts, dust and low humidity environments. Recommended for night-time use to relieve dry eye, floppy eye syndrome and recurrent corneal erosions. Can also be used during air travel. Please see the product video for the best way to adjust the mask to avoid damage. Soft and flexible, the hydrating Eyeseals 4.0 are made from medical grade thermal plastic, so they rest comfortably over your orbital bones, while leaving room to blink freely. Fitted with an adjustable microfibre head wrap, the Eyeseals 4.0 gently shelter eyes from draughts, dust, and low humidity environments. This creates a moisture rich space over your eyes, hydrating the sensitive eyelid area and preserving your tears, helping soothe dry, tired eyes. One Eyeseals 4.0 with secure wrap One grey microfibre storage sack Latex free Gently clean face and eyelids to remove all dirt and makeup prior to using Eyeseals 4.0. Place mask over eyes and secure strap. The mask should fit comfortably and not feel too tight. For increased moisture during wear, add a few drops of water to inside of eyecups prior to wearing. The combination of moisture, an enclosed space and body heat creates a natural humidifier for the eyes. PLEASE NOTE: Less suitable for active or side sleepers due to the nature of the material and side fixings.