The K9 Sport Sack just got even cooler. Customize your K9 Sport Sack with our custom embroidered velcro dog name tag. Use it to to show off your best friend's name, any words, Instagram handle and more! . These strong velcro patches are easy to take on and off of the backpack. Quickly swap the out a dog patch with another personalized name. Our patches are only compatible with the Air and Air Plus. The Urban Sport sack does not have a velcro strip to fit one of these custom name tag.