The markers are nontoxic and alcohol-cost-free, Nonetheless they’re not washable, so these are generally for large kids only and should almost certainly be restricted to use at the art table or exterior. But kids appreciate ’em, and they come in a awesome box it is possible to gift as-is. https://artsuppliesonline.us/products/speedball-screen-printing-craft-vinyl-kit-print-custom-t-shirts