What is the difference between Ribbed Well and Smooth Well Extra-Deep Well Flat Packs?

Ribbed Well flat packs have a raised star pattern at the bottom of the well that makes removing the contact lens easier. Ribbed Well flat packs are available in 8 solid colors or a mix of all 8 colors. This is the most popular choice among customers.

Smooth Well flat packs have a smooth, even well. Available in 3 solid colors or a mix of all 3 colors.

All Amcon Extra-Deep well flat packs for soft contact lenses feature an exclusive dual seal in the cap to help prevent leakage and a reinforced hinge at the lid and base that helps reduce tearing. There is no price difference between Ribbed Well and Smooth Well.