Boveda 58% 2-Way Humidity ControlRestore and maintainWith the global leader in 2-way humidity control. Place Boveda in packaging and/or storage for precise Relative Humidity (RH) to protect all the product.Choose 58% Boveda RHA personal preference depending on what the humidity level is. 58% is preferred for personal-use products.All-naturalAll-natural salts and pure water are inside to keep flowers fresh for 2-4 months in airtight containers. Preserves smellBoveda creates a monolayer of purified water molecules that naturally coats the product to preserve the smell until use.ResealableBoveda includes a high-barrier plastic bag which is factory-sealed. Keep the zipper closed and users can expect an unwrapped Boveda to stay fresh for up to two years before they are put to use.How do you use Boveda?Simply place in a container with up to 30g. Replace when Boveda is rigid.