This Boveda 62% - Case of 12 is the perfect way to keep your herb fresh and flavorful. Its two-way humidity control allows you to easily maintain a 62% relative humidity level, which is ideal for keeping your herbs at an optimal moisture level. The case of 12 ensures that you have a supply of Boveda packs for months to come. This product is perfect for anyone looking for an easy and convenient way to keep their herbs fresh.