This is a sealed package of Yu-Gi-Oh trading cards featuring characters from the Hello Kitty franchise. The package includes 8 cards and is a McDonald's Happy Meal Toy from the United Kingdom. The cards are recommended for children, with age levels ranging from 3-17 years old. The package does not include any custom or modified items, and the California Prop 65 warning is unknown. Smoke free home I ship on Mondays happy eBay.