... 4. OEM accept 5. technology & mold from Japan Vacuum Compressed Bag's Accessory Switch Valve1. Material: PP2. Size: one size for each ... , slide valve, switch valve, turn valve4. Color: pink, yellow, green, blue, white, black, coffee5. Usage: be used on vacuum compressed bags to ... , T/T8. Delivery Port: Ningbo, China9. Package: polybag + paper carton vacuum Compressed Bag's Accessory switch valve