Sometimes, having a little backup when communicating boundaries is nice. We love these signs on Etsy anchored around new parenthood.
A sign for visitors meeting your newborn
This stroller sign keeps the unwanted germ exposure away.
This family values brainstorm kit to help you identify what "family rules" guide your home. Once identified, many families like to make a visual sign of their values in the entryway. This can help visiting friends and family absorb and better respect what is important to them.