[wodenokoto]

For the same reason porn magazine aren't delivered in see-through plastic like other magazines and instead are delivered in white envelopes.

[mrweasel]

I don't know where you live, but porn magazines are in see-through plastic, just like other magazines. They're just on the top shelf, that's all.

[wodenokoto]

Not when you subscribe to them and they arrive in your mailbox!