... PP 3. OEM accept 4. ISO9001 2008 certificate Blue Turn Valve for Vacuum Compressed Bags1. Material: PP 2. Size: ... one size for each kind 3. Kind: mini ninja valve, ninja ... pink, yellow, green, blue, white, black, coffee 5. Usage: be used on vacuum compressed bags to make the bag vacuum ... , T/T 8. Delivery Port: Ningbo, China blue turn valve for vacuum compressed bags