Made out of durable 3/8 inch thick Plexiglass weighing less than 1 oz, these are hard to break and contain no metal. Available in small, medium, and large. The overall size of the product is the same, size designation refers to the size of the finger holes. Check your local and state laws before ordering to make sure these are legal where you live. If your shipping address is located in a state where these aren’t legal we will NOT ship them to you and your order will be cancelled. Check the picture for a list of state legal status as a reference, and check your local laws as well. It is the customer’s responsibility to ensure all laws are being followed. Johnson Dynamics LLC is not responsible for the misuse of this product.