A lot of people over the last six months have been putting money in mattresses. The problem is that mattresses can catch fire, or you might not be able to get the cash when you need it, or your kids may throw them away. Better to take your mattress with you. The wallet “provides investors with a secure and comfortable place to put their money”. It’s the same size as a regular wallet, but comes with “the ubiquitous warning tag that should not be removed under penalty of law.”