An Add-on is a one-time purchase that you set to ship for free* with your next scheduled Repeat Delivery order.
- Log on to your account at Petco.com
- Find an item.
- Click "add once to next Repeat Delivery" on the product page.
- Choose which delivery to ship it with and it ships FREE with that order.
Please note that due to shipping methods, add-ons may ship in a different box, but shipping is still free for that item.
*Exclusions: Litter, ice melter, wild bird food, live fish & rock, aquatic gravel and accents; crickets, live food and frozen food. Some other exclusions may apply.