I use these:
Available here:
URL for 2.5 Gallon Rubbermaid airtight container from Amazon
And these:
Available from:
Bovedapacks.com or the devil site.
The containers are airtight and they do not soak up humidification from the Boveda packs at all meaning your Boveda pack will last you well over a year. I took pieces of cedar and lined the bottom of mine. Speaking from over 5 years of experience with em, they work perfectly. Cheap, too! Hope this helps!