Several reasons exist.
All wooden accessories are unique, not quite smooth, with or without knots in the wood, its grain and its imperfections. It is therefore normal that you notice differences from one product to another.
Eco-friendly Wooden Birth Announcement from Studio MF has out of 3 sustainability stars. Like all products on BOAS, this product is climate positive and it has at least one independent sustainability label. Read more about the ratings on our sustainability criteria page.