It depends on your needs. You may want to consider how much income you would need if you are unable to work, and to pay for cost of medical treatment, care and rehabilitation. Do take into account the coverage that you already have. You may wish to use the basic financial planning guide provided by MAS to assess your insurance coverage and emergency fund.
Life insurance is a long-term commitment. You may wish to prioritize your coverage needs, and decide which product meets your needs in the most cost-effective manner before making the purchase.