Navigate to this page https://dashboard.stripe.com/test/subscriptions/products on your Stripe account to create a new Product and click on + New to add a new product.
Add a product name and click on Create product as displayed in the image below
Fill the form that you see in the image below by adding the product information and click on Add pricing plan once you have finished.
Once you completed the form above, you will see the image here below where you need to copy the product ID.
To create a Stripe Membership Package access your admin panel and navigate to Houzez Package > Add New Package in your left sidebar.
Fill the package form with all information and add the product ID in the Package Stripe field as displayed in the image below.
Click on Publish once you finished.