They are just wooden squares from any craft store ($0.50 each) with metal house numbers I found at Shoppers Outlet for $2 each. These numbers were brass and spray painted Heirloom White. Put them up with finishing nails and use a sharpie to "paint" the nails black.
This pillow is so cute! I love how you can personalize it with your own dog's name "pronunciation" and "definition" so you can fit it with your dog's personality perfectly! This site has the greatest pet gifts or gifts for pet lovers!