◆Shipping: [Mailbox]. No hand giving. Shipping may be delayed than the estimated delivery on Amazon, so please be sure to prepare meat after receiving the product. We will provide tracking number after shipment. It may be shipped by courier depending on quantity and delivery area. Product description: This is an artificial casing for garners made from collagen. [How to use] Simply set it into the base and use it. No need to add water like a sheep intestine. The nozzle or nozzle used is 0.4 inch (10 mm) in diameter. You can also use the nozzle or nozzle with a diameter of 0.5 inch (12 mm) but it is a little tight. If it is difficult to install, apply a little edible oil to the nozzle to make it easy to slip and wear. Dries, smokes, and voile just like sheep intestines.