Pitbull Supply Collars are 100% Guranteed for a year to last if for some reason they don't we will replace them or refund your money. All of our collars are ready to go the moment you order them. If we do not carry the style of dog collars you want please contact us and we will see if we can get it for you. If you do not know what size of collar you need please measure your dogs neck for the collar fits perfectly and if you don't know how to measure please call us. We have the largest selection of collars made just for pitbulls we offer collars that no one else sells.