Here's a breakdown:
* es: it is
* tuyo: yours
* por vida: for life
* y más: and more
This phrase is often used to express the idea that something is yours permanently and even beyond that. It can be used in various contexts, for example:
* Love: "This love is yours for life and more"
* Friendship: "Our friendship is yours for life and more"
* Possessions: "This house is yours for life and more"
It emphasizes the enduring nature of the possession or relationship, suggesting a deeper level of commitment and longevity.