The 75-year-old tradition of the baby box introduced by the Finland Government crossed borders last week when it was received by the royal couple, who are expecting their first baby.
Finlad's social security service, Kela has presented the Duke and Duchess of Cambridge with a cardboard baby box which comes with a fitted mattress and sleeping bag and other essential baby items that a new parent could possibly need.
A Kensington Palace spokesman said, "We were delighted to receive the very kind gift of a maternity package from the Finnish Government. It was a very thoughtful gesture. I'm sure the Duke and Duchess will be very interested to see the contents."
Last month, the BBC wrote about the role played by the scheme in helping the country achieve one of the world's lowest infant mortality rates.
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Kela's spokeswoman Heidi Liesivesi said, "Kela wanted to congratulate the Duke and Duchess of Cambridge. The maternity package gained such a positive response from all around the world. The timing was perfect that the royal couple are having a baby."
Prince William and his wife Kate are the second royal couple to receive the baby box as a gift from Finland. In February last year, Crown Princess Victoria and Prince Daniel of Sweden were given one to celebrate the birth of Princess Estelle.