I am considering purchasing one and similarly selling a few of my bottles in UK. Naturally I will expect the seller to pack the bottle well - and I will do likewise for the ones I am selling.
My question is, what should I put on the parcel as contents in order to avoid unnecessary hassle in the post office, and guarantee that they accept the parcel for delivery. If memory serves me right, once in Machester I tried to send a bottle to a LOndon address, and marked the contents as whisky, only to be told by the postal worker that they refuse the parcel due to its flammable contents.
Needless to say, the same parcel was mailed safely from the other nearby post office as "boxfull of special shampoo" later ..