The official Bud Pack 2-way humidity control packs from Burp Lids! Place Bud Packs in your mason jars to maintain precise Relative Humidity (RH) to protect all your best work (terpenes, cannabinoids and flavonoids). Bud Packs will keep your flower fresh for 2-4 MONTHS in airtight containers. Just place in your jar with up to 2 oz of flower. Replace when Bud Pack is rigid. Why Are Bud Packs Better Than The Competition No Salt! Like other brands have that leach into your bud 3 Times Faster Activation To Get Proper RH Level Two-Way Humidity Control Catalyst 62% Relative Humidity Control, 8 Gram Bags Sold In Packs of 12 Organic Plant Fiber Substrate Biodegradable and Non-toxic Bud Packs are foil-packaged to prevent UV activation and have a shelf life of 1 year. That is a huge difference. No risk of over humidifying which salt/gel concentrations tend to do. Bud Packs out performs the competition and last longer! DUAL LAB TESTED AND CERTIFIED It all comes down to one important thing, preserving your most precious bud. Bud packs eliminate excess moisture and shield your bud to manage the proper relative humidity (RH). Order Your Bud Packs Today! Directions: 1. Place Bud Pack into your jar. 2. When Bud Pack loses softness, it's time to replace. 3. The more Bud Packs you use, the longer they last! 4. Bud Packs won't ever over-humidify.