Your lot number can be found on the white sticker affixed to the black label that is wrapped around your roll(s). This is the only place the lot number exists, so please be sure to keep this label or make note of the lot number somewhere safe.
We print in small lots and can't guarantee a 100% color match between each print lot. If in doubt, it's best to order an extra roll. If you end up not needing it, we are happy to accept returns of unopened rolls within 30 days of delivery. If you need to order more wallpaper from a specific lot number, please put that lot number into the "Special instructions and lot number request" box during checkout.
Link