Larry (born c. January 2007) is a British domestic tabby cat who has served as 

Chief Mouser to the Cabinet Office at 10 Downing Street since 2011. Larry is cared for by Downing Street staff and is not the 

personal property of the prime minister.

He has served during the premierships of five prime ministers: 

David Cameron, Theresa May, Boris Johnson, Liz Truss, and Rishi Sunak.

Delivery is by standard postal service.

The postal service is quite unpredictable in terms of delivery times, so the delivery time depends solely on the mail!