I was sent the wrong case for my Cannon SD 900. I was sent a case that is designed for the Cannon SD 600 a WP-DC4, and the error was not discovered until after the store's return policy had expired (my fault for not checking it sooner). If there is anyone owning a Cannon SD 600 that is interested in a factory designed waterproof case (WP-DC4) have I got a deal for you.