How long do they extend the life of my wraps? EC Zendesk Overlord September 08, 2015 23:39 Follow After your wraps are opened if stored in a humidor they should last for 6-8 weeks depending on how they are stored. Related articles Why is this nail file in here? It doesn’t work for the wraps. How do I use it? Comments 0 comments Please sign in to leave a comment.