Medi Choice Arm Slings || ASL 2103 Small 7.5 x 12.5 Inch 1/EA, 24 ENCA || ASL 2104 Medium 8 x 15 Inch 1/EA, 24 ENCA || ASL 2105 Large 8.5 x 17.5 Inch 1/EA, 24 ENCA || ASL 2106 Extra-Large 9 x 20 Inch 1/EA, 24 ENCA || ASL 2150 Universal 7 x 18 Inch 1/EA, 24 ENCA || Medical - An arm sling is a device intended for medical purposes to immobilize the arm, by means of a fabric band suspended from around the neck.