It is a great thing to label everything in the classroom, the children begin to associate the item with the word. It helps then learn that not only the item has a name but that name can be expressed in writing.
Since my classroom in a dual language classroom, we label everything in English and Spanish. Blue is English and red is Spanish. The children know this and know why the two colors.
This is a great thing for a person's house as well. If you have little ones, try labeling different things areound the house and your children will pick up the reading of those labels.