This eye contact solution is specially formulated to condition the lenses by adjusting to the eyes natural tear pH Unique pH Multi-Purpose Saline Solution effectively brings you greater comfort when you wear your RGP lenses. Unique pH Multi-Purpose Saline Solution comes in tightly-sealed leak-proof and travel-sized bottles that have undergone the proprietary Blow-Fill-Seal technology to ensure that your contact solution doesnt accidentally spill or be contaminated even when youre out exploring the world. The 3-pack bundle also comes with a free lens case that can be used to soak your contacts overnight with the saline solution.