If your child is Autistic and you don’t want to tell them because you don’t want “to label them” please know that other children have already labeled them with some cruel labels.
"Vegan leather" is even worse for the environment than Leather. It is literally unrecyclable plastic. Leather is a byproduct of the beef industry. If we are going to keep eating beef, which we will, we should make use of the hides. It is extremely wasteful to do otherwise.