Contact Lens brands are strong users of Promotional Products in Hong Kong.  True to form, Opti-Free are currently running another on-pack GWP series in pharmacies.

Here they are using the Snoopy license, shrink wrapping gifts of a plastic reusable container to their 3 packs of solution.  This container can be used for lunches, or for just keeping trinkets around the home/office.   More blogs on contact lens promotions to follow.