Yes, you can use Flaticon's resources to create products both for personal and commercial purposes!
If you use our resources for commercial purposes, please remember that our resources must be a secondary element of the final design you include in your products. Here is an example of the usage of our resources as secondary elements.
If you use our resources for personal purposes, you are allowed to use them as main elements of the final design you include on your products.
Please remember that the copyright of Flaticon's resources remains to it's author (Flaticon and Freepik), so you will not be able to register any image that includes any of our images.