Upvote:3
A UK sex toy company has a very helpful blog post listing the countries where sex toys are banned. This list is:
No problems in either China or South Korea. In general, it is recommended to put your toy in a clear plastic bag so if your bags are checked by a security officer they can without touching it -- neither you neither they want that. And remove batteries. If there are wires, coil them separately from the toy. The last thing on earth you want is an object with wires wrapped around it to show up on a scanner. I had a mate whose big stash of chocolate mixed up with charging cables, causing a genuine bomb scare.