2x Boston Advance Conditioning Solution Conditions Wets (RGP) Lens, 3.5 Fl Oz Pack of 2 Expiration Date of 09/01/2027 ? Step 2 in the Boston ADVANCE Formula Care System: Gas permeable contact lens conditioning solution that disinfects, cushions, conditions, and wets lenses for lasting comfort. Designed for use after Step 1 in the Boston ADVANCE Formula Care System. For use with scleral, ortho-k, and all rigid gas permeable (RGP) contact lenses. ? Boston Contact Lens solution: Contact lens conditioning solution for rigid gas permeable (RGP) lenses that cushions and wets lenses for comfortable wear. This cleaning solution disinfects to kill germs and supports overall eye care. ? Boston Contact Lens Solutions: Boston is made for rigid gas permeable (RGP) lenses, offering a range of cleaning and conditioning solutions. Designed to support eye health and ensure comfortable contact lens wear. ? Recommended by eye doctors: Boston is the #1 eye doctor recommended brand of rigid gas permeable (RGP) contact lens solutions, made by the eye experts at Bausch + Lomb. Eye care you can trust. ? Bausch + Lomb Trust: Boston contact lens solutions from the eye care experts at Bausch + Lomb support eye health by keeping rigid gas permeable lenses clean, hydrated, and comfortable. (description exceeds maximum possible length)