It depends upon the type of bands you have. Some bands contain latex, whereas others claim to be 100 latex-free. However, this is a crucial detail to look for while purchasing the loom elastic bands. If you or your children are allergic to it, then go for the latex-free varieties. The latex-free rubber bands can also be found in a wide range of colours and varieties. You can go for as many varieties as you want. So, if your child is crazy behind such bands, then it is good to go for latex-free types so that there is no harm.