Look Good, Do Better. Design your own Custom Dog Collar! Good Threads specializes in custom products. You will work with our designers to create custom collars for your organization! We can do anything! The way it works is that you will send us ideas for your custom dog collar. We will then send you a computer mockup of your design for you to review and provide feedback as many times as necessary until you are happy with the layout. Delivery Time: 5-7 weeks following design approval