They stink, look dirty and cause skin irritations.
.Dog Party Dog Collar With Silver Buckle - Medium Most Collars stay wet and are like sponges for dirt, grime, and bacteria. Made of medical grade thermo-elastomer, C4 collars are non-porous which makes them waterproof, stain resistant, hypoallergenic, and easily washable. Our collars are stink proof, too.