First of all, you can give a silver "longevity" lock, which has a good meaning and is also collectible. It is also face-saving. A pair of silver bracelets or jade pendants are also OK. My colleague's little daughter is blessed to wear them every day. The old people always say so.
Of course, you can also ask the silversmith to make a special silver ornament, such as a peace pendant, write the child's name on it, and write "lifetime peace" on the other side. Such a gift is more thoughtful and my colleague will definitely be happy.
In addition, baby products are also OK, such as diapers, milk powder, baby bath and skin care products, baby clothes, small hats, small shoes, etc. These are very practical gifts, and they are also the most popular gifts when the baby is full of one month. They are easy to buy and very good.
There are also some children's toys that can be given. Although the baby who has just turned one month old cannot play with them, they will attract their attention. This also reduces the pressure of taking care of the child for the colleague. When the colleague's little daughter grows up, she can also play with them. It is very practical.
Finally, don't forget to give a red envelope. No matter what gift you give, a red envelope is a must. As for the amount of money, it depends on local customs, or you can ask other colleagues and make sure everyone is consistent.