All soaker systems fit in both size 1 and size 2 diapers only. They will be serged in white with white snaps. No colors can be requested for snaps or thread. You have the option to choose your velour color, just leave a message in the the check out section which color you would prefer. If you do not leave a color, it will default to wicking jersey. Soaker systems are made to order and will ship within 3-5 business days.