Marlow Diner 300 is a coffee cup with a saucer from the brand Service Projects. The cup is inspired by American diner culture and holds 300 ml, making it suitable for larger cups of coffee in everyday use. It features a classic design where functionality and recognizability are central, and the cohesive design language of the series makes it easy to combine it with other pieces in the collection.

The cup is developed for daily use and works well in the kitchen, dining room, or workplace. The material contributes to long-term durability and a stable feel in the hand.