4 Inch Silicon Wafer Holder 2" Single Wafer Carrier Box - Including Container, Cover & Spring Wafer Box This silicon wafer holder is designed for 4 inch diameter wafers. ONEVIDO Silicon Wafer Carrier- 6 inch Single Wafer Box for - Want It All It can prevent precision wafer or substrate from damage and contamination during shipping and storing. About this item This silicon wafer holder is designed for 4 inch diameter can prevent precision wafer or substrate from damage and contamination during shipping and storing. 100 class cleanliness silicon wafer box ; Material: Polypropylene Each complete set includes three parts Wafer Box Size: 110mm diameter,15mm height,suitable for 4 inch wafer Packing: 10 pack N-Type Silicon wafer (4 Inch) - Vritra Technologies Each complete set includes three parts: container, cover and spring