Kinderkitchen knife set for children contains 2 knives, the orange, without serrations and the black, with serrations. The knives cannot withstand being sharpened, but they are dishwasher safe. They are both BPA, phthalate and PVC free. The knives are recommended for ages 3 and up, but they must not be used without the supervision of an adult. The knives can be used with both left and right hands.