Blood Thinner 4 Pack Bold Colors Medical Bracelets Largest Selection of Colors in Regular or Large Sizes Free Shipping now available. Durable Inexpensive Alternative to regular Medical ID Bracelets Money saving 4pack with hot pink, dark purple and royal blue and aqua bracelets. Generic Term Blood Thinner works for anyone taking Coumadin, Warfarin, Asprin or any other Blood Thinner Medication.