我是新加坡PR, 有买AIA的保单,最近收到一个AIA SIGNATURE的INVITATION: A high sum assured of S$500,000 for Accidental Death, Dismemberment and Permanent and total disability; Accidental Medical reimbursement of up to S$2,000; Premiums do not increase with age and the coverage is yours at only S$400 until age 75.