This customization option allows you to add 3-inch twill sewn-on numbers to the left sleeve of your garment.Numbers Only. These numbers have a glue backing that is heated into place first on the sleevSleeve Customizatione so there are no bubbles, then each layer is sewn down. There is an option to add 1 or 2 colors. Once you select the colors you would like to use, you need to change the quantity to the amount of numbers used on the sleeve. I.E. - photo shows 32, this would be quantity of 2. The maximum amount of numbers that can fit on the sleeve is 2 numbers. Selecting this option will add 2-3 business days to the delivery time.