3. No Upkeep: Disposable vape pens are made for 1-time use and do not involve any maintenance. There is no need to wash or switch components, saving you time and effort. Ruby Disposable vape pens are considered easy for on-the-go use or when traveling resulting from the following good reasons: https://griffindulct.blogmazing.com/31636040/not-known-factual-statements-about-1-gram-ruby-disposable