1", 2", 3", 4", 5", 6" Single Wafer Carrier Box, PP Wafer Shipping Box This wafer container is designed for 1",2",3",4",5",6" diameter wafers. It can prevent precision wafer or  substrate from damage and contamination during shipping and storing. - The additional advantage is quite convenient in the process of cleaning and assembling. - Each complete set includes: container, cover and spring - The wafer container is packed in plastic bag - Material: Polypropylene