100 Integra Boost Humidity Packs control humidity levels by removing excess moisture or adding moisture. These patented Boost humidity packs are salt-free and FDA-approved, and provide an easy way to eliminate excess moisture or add moisture when needed. Integra Humidity Packs are the perfect way to keep your paint fresh. Dropping a few into your bag of paint will extend their life by a month or more! One hundred 1 gram packets.