[It's a shulker with a note and a couple complimentary stamps inside.]
Testing from Grian's box! If you're getting this, his box is all fixed :D
- @pearls-mailbox
[A shulker is sent back, this time not wet! *cheer sfx* There's a seashell along with the letters, a rounded and flat sand dollar.] Hello there, Pearlio! I got the message alright, and it's much easier to send mail now! Thank you so much for the help, I've sent a little something as a gift. :)