Systane Ultra UD is a preservative-free lubricant eye drop solution that comes in 30 single-use vials of 0.7ml each. These sterile drops provide prolonged protection and fast relief from dry eye symptoms, making them ideal for sensitive eyes and contact lens wearers. The product contains polyethylene glycol 400 0.4% and propylene glycol 0.3% as active ingredients. Each vial is for single use only and should be discarded after opening. The preservative-free formula makes it suitable for frequent use throughout the day. Store at room temperature and keep away from direct light. If eye irritation persists or vision changes occur, discontinue use and consult a healthcare professional. Compatible with contact lenses but should be applied before lens insertion or after removal.