https://www.oneworld.com/ffp/my-onew...ub-silver#tier
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Access to Business Class and frequent flyer lounges (with one guest), regardless of the class of service flown that day
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https://www.oneworld.com/ffp/lounge-access
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Emerald and Sapphire members may invite one guest to join them in the lounge. The guest must also be travelling on a flight operated and marketed by a oneworld carrier.
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https://www.oneworld.com/ffp/lounge-...eaccess/KUL/-1