Other Information: Store at room temperature. Misc: Extended protection. Fast symptom relief. No. 1 doctor recommended brand. Sterile. Open your eyes to a breakthrough in comfort with Systane Ultra Lubricant Eye Drops. Systane Ultra elevates the science of dry eye therapy to a new level. From first blink, eyes feel lubricated and refreshed. Feel the difference in dry eye relief with Systane Ultra. Questions: In the US call 1-800-757-9195; www.systane.com. Country of Origin: Belgium.