Return of premium life insurance
Return of premium (ROP) life insurance is a type of term life insurance policy that returns a portion of the cumulative premiums paid if the insured outlives the policy's term. For example, a $1,000,000 policy bought for $10,000 a year over a 30-year period would result in $300,000 being refunded to the surviving policyholder at the end of the 30 years.
Source: Wikipedia — Return of premium life insurance (CC BY-SA 4.0)