Luckin Coffee's small blue cup packaging design is a notable aspect of the brand's marketing strategy. It features a minimalist and sleek design, which is consistent with the brand's image as a modern and trendy coffeehouse. The packaging is made from environmentally friendly materials and includes a clear plastic lid that allows the coffee's color and aroma to be seen and appreciated. The design has been praised for its aesthetic appeal and practicality, contributing to Luckin Coffee's popularity among consumers.