Ambassador Single-Tread Slipper Large, Blue by Medline. $36.52. Qty Is: 1 CS Which contains: 96 Each / Case; Product Weight = 1. Large, Blue. MEDLINE INDUSTRIES MVL451218LI. Ambassador Single-Tread Slipper. NOTE: Product may be an accessory to the image displayed above.. Large, Blue The Cost-Effective Preference. Slip-resistant tread on the bottom provides traction to help prevent patient falls. Terrycloth on the inside.. Save 15%!