Keep cannabis or hemp fresh with the Size 4 Boveda. Preserve every half ounce you buy for months, without worrying about it drying out. Protect your cannabis from mold or overdrying by adding a Boveda pack to your jar or bag. Use this Size 4 to keep up to half an ounce fresh for months, or revive dry flower.
 
58% RH is for: 
People who prefer buds that are easier to break down
People who live in more humid climates
 
Size 4 is for:
Smaller airtight weed storage containers, such as jars, bags, canisters, etc.
Preserving up to half an ounce (14 grams) of cannabis flower