US Patent 7370369 Sanitary arm sleeve structure

A sanitary arm sleeve structure includes an arm sleeve, adapted for receiving the user's arm therewithin, having an outer side, an opposed inner side, and a free edge end, and a sleeve protection layer having an upper edge end attached on the arm sleeve and a lower edge end extended to the free edge end of the arm sleeve so as to overlappedly encircle the sleeve protection layer around the outer side of the arm sleeve. An elastic retaining loop is provided at the inner side of the arm sleeve above the free edge end thereof for applying an elastic binding force around the user's arm above the wrist thereof, so as to retain the arm sleeve in position that the sleeve protection layer is capable of encircling around the user's arm.