1. design and molding technology from Japan 2. material: PP 3. OEM accept 4. ISO9001 2008 certification Mini Ninja Valve for Small Size Vacuum Bag1. Material: PP2. Size: one size for each kind3. Kind: mini ninja valve, ninja valve, automatic valve, slide valve, switch valve, turn valve4. Color: pink, yellow, green, blue, white, black, coffee5. Usage: be used on vacuum compressed bags to make the ...