This is a set of 3 PURE Emerald solutions with antibacterial properties, ideal for cleaning and storing overnight orthokeratology lenses and hard contact lenses. - Brand: Emerald - Product Name: PURE Emerald - Purpose: Hard contact lens cleaning and storage solution - Antibacterial: Yes - Contents: Set of 3 Thank you for viewing. The expiration dates are May 2, 2026 (for two bottles) and September 2, 2027 (for one bottle). I am selling these because I have finished using orthokeratology lenses.