This results in the latter opening during transit and depending on turbulence cause gems to jam the wooden foldout in the open position making it nearly impossible to retrieve from the tin sleeve without breaking the sleeve

This should never have made it through design le

Even if you picked this up at a local store and avoided the risk of transit the design is terribly mismatched in size as the tin will never hold the wooden fold closed which means that gems continue to slip out and fall out of the tin unless you seal the whole thing in a plastic bag