cohesive bandage cohesive bandage a self-adhering bandage or cohesive bandage (coban) is a type of bandage or wrap that coheres to itself but does not adhere well to other surfaces. cohesive bandageacronymcobansynonymsself-adhering bandage "coban" by 3m is commonly used as a wrap on limbs because it will stick to itself and not loosen. due to its elastic qualities, coban is often used as a compression bandage. it is used both on humans and animals. for animal use, it is marketed under a variety of trade names such as "vetrap" by 3m. it is commonly used on horses and other animals because it will not stick to hair so it is easily removed.