...... This is Elizabeth from Gintama. He is awkward. Before proper lore was made by the author of Gintama, it was widely believed that Sorachi (the author) was inside of that shell.
There is ... nothing much to talk about its quality. It's just a huge white egg-like shell with a pair of simple eyes drawn on. The inside is empty but comes with a removable cover. You are supposed to place Zura inside of it according to the box.