Silk And Sonder is a legitimate company based in San Francisco. It was founded by Meha Agrawal in 2017 and offers a subscription service that provides beautifully crafted monthly planners for adults and children. The planners are designed to help users stay organized and focus on personal development. They have been featured in PopSugar and NBC News. However, some users have reported issues with the onboarding process and customer service. It's always recommended to do thorough research and read reviews before making a purchase.