Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for Attachment Sizes by Zucni
Rated 5 out of 5 stars
Thank you very much Pastisman for the updated version. :)
Seeing the size of individual attachments is important and not the same as just looking at the email size. Also you cannot see your email size while composing.
To create your own collections, you must have a Mozilla Add-ons account.