Some items can be pre-ordered and you will be advised upon adding the item to cart that the product is a pre-order. A notification box will appear advising its pre-order and will request your permission to add the item to the cart. You will also see the pre-order note at checkout in your order summery.
Pre-order shipments are anywhere from 7-40 business days for dispatch. If you have purchased other items with a pre-order, all items will be shipped out together once pre-order items arrive.