Bring Snail Mail Unto the 21st Century With Recordable, Rewritable Talking Envelopes

Oh, so you still send snail-mail? Boobytrap envelopes by recording 10-second-long messages on these rewritable talking envelopes, which cost $4.75 for a 10-pack. Be sure to address them in pencil only, though! [SoundExpression via RedFerret]