As an Offline member, you've got access to two key product types.
Offers
Offers are the main aspect of your Offline membership. Each month, you should receive 2 Offers in your app.
You have until the last day of the month to use your Offers
You can extend Offers 2 weeks by tapping the Extend Offers option in the app
Tell your server your an Offline member and show them your app
Perks
Perks are a bonus element of your membership. The number and kind of Perk (event tickets or fitness membership, etc.) vary each month and each one has its own set of redemption rules.
Your perks will be in your app under your Offers in the This Month tab
Each perk will have its own rules on when it expires and how to redeem so be sure to read thoroughly
Perks cannot be extended