Original Reclosable Vial.36 Reclosable Vials ~ 0.03 fl oz Each Preservative Free Artificial Tears. Sterile. Tears Natural Free® Lubricant Eye Drops: Provide lasting relief and are the most convenient preservative-free artificial tears. Are the only preservative-free lubricant eye drops with reclosable vials. Have vials that contain up to 3 time as much volume as other products. Guaranteed to provide relief:Tears Naturale Free® Lubricant Eye Drops is guaranteed to provide temporary relief of dry eye symptoms. Prove it to yourself at no risk. If Tears Naturale Free does not provide you with the relief you expect, you may return the unused portion with evidence of price paid to Alcon Laboratories, Inc., 6201 S. Freeway, Fort Worth, TX 76134, for an immediate and full refund. Preservative Free Lubricant Eye Drops with the Duasorb® system (Dextran 70 0.1% and Hydroxypropyl Methylcellulose 2910 0.3%)