This Delcasa 3-in-1 Rotary Grater is made of 100% BPA-free food grade plastic and 3 sharp stainless steel blades. A non-slip lock down tight on the table avoids shaking during cutting vegetables. The grater has 3 stainless steel drum blades. All functions in one piece of equipment have a cheese grater as own a multifunctional vegetable slicer. Very easy to assemble the cheese grater and the vegetable slicer is detachable that all parts can be flushed with water. Compared to the traditional veggie slicer that maybe hurts your hand, this grater is enough safe, you don't touch the blade during it working. Very safe to use even for a child. Finish your food preparation with 3 interchangeable blades and makes slicing, shredding, and grinding easily, perfect for cucumber, carrot, potato, onion, cheese, chocolate, garlic, and nuts."