Instacart recently announced a new “Priority Delivery” option available across more than 300 stores in 15 of the largest US cities that provides delivery in as fast as 30 minutes. The service is available from participating stores including Sprouts Farmers Market, Safeway and Ralph’s in cities including Chicago, Los Angeles, Miami, San Diego, San Francisco and Seattle.

In the next several months after the initial launch, Instacart plans to bring 30-minute delivery to more cities and retailers. And as part of the rollout, the company plans to expand 45-minute and 60-minute delivery for more customers and more cities.