gloves or mittens 5 and 6 are deployed in the interior of the bag 1 the gloves or mittens 5 and 6 are also made of a substantially gas impermeable material the bag 1 may also have a hanging means 7 such as an opening that may be slipped over a hook or other projection or a flap that may be tacked to a wall to allow for the bag to be hung from a hook or projection or a wall in operation the bag 1 may be hung next to a mail slot by hanging means 7 referring to fig2 the bag 1 maybe placed in a mailbox 20 with the opening 2 of the bag folded back over the opening of the mailbox 21 such that any mail placed in the mailbox is placed in the bag 1 referring to fig3 the bag may also be used by placing it in a post office box 30 with the opening of the bag 2 substantially congruent with the opening of the box 31 again such that any mail placed in the post office box is placed in the bag 1 alternately the bag can be used independently of any mail slot mailbox or post office box for example a suspicious package can be placed in the bag 1 independently of any mail slot mailbox or post office box referring again to fig1 when a letter or package in the bag is to be opened means for opening the letter or package such as a pair of scissors or a knife may be inserted into the bag the bag opening 2 is then sealed with closure means 3 the closed bag may then be removed from a mailbox or post office box and in any.