You'll also see that the tag states: "Under penalty of law this tag not to be removed." Thankfully, you can sleep easy even if you do decide to remove the offending tag because under the above statement is a clause that says "except by the consumer," which is you. But why is the tag there in the first place and why does it have that specific statement? Since a mattress is one of those things you should never buy used, the tag offers some peace of mind before you bring it home. It also lists the contents of the mattress.