PRO-MOISTURE CHAMBER WITH ELASTIC HEAD BAND - SIZE LARGE White Foam. One Elastic Chamber. Ideal for dry-eye conditions. Clear vinyl shield with soft sponge edging that gently hugs facial contours. Product dimensions: 50mm vertical, 70mm Horizontal. Combat miserable dry eye conditions with the Pro-Moisture Chamber with Elastic Head Band from Optic Shop. Clear vinyl shielding offers ideal eye protection. Inner lining of soft sponge material hugs the contours of the face and provides hours of comfortable wear. Comes with comfortable elastic head band, and fits both the left and right eyes. Size Large and package quantity of 1