a) a waistband of generally circular shape with a front and a back side, adapted to be worn around the patient's upper waist made from an elastic material;

b) a right shoulder strap and a left shoulder strap affixed to said waistband on the said front side and stretched over the apex of said shoulder and affixed to said back side of said waistband made from an elastic material;

c) front and back cross straps made from an elastic material affixed to said waistband at the same point as said right and left shoulder straps and crossing over each other and affixing to opposite shoulder strap at a point midway to the apex of said shoulder strap and said cross straps being secured to each other at the points where they cross whereby said shoulder straps are prevented from sliding off said shoulders;

d) a sleeve adapted to support said injured arm made from a rectangle of fabric with a top and a bottom where said top is affixed to said waistband and said bottom of said rectangle is lifted to level of said waistband and removably attached to said waistband forming said sleeve with openings from both the left and the right whereby said arm sling apparatus can be used for either arm and making it possible for a patient with the use of only one hand to install sleeve over inoperative arm.