Red and blue color blocking Jansport

Quick answer：

The term 'red and blue color blocking Jansport' refers to a style of Jansport backpacks featuring a combination of red and blue colors in their design. Jansport is a brand known for producing durable and stylish backpacks. Color blocking is a design technique that involves using blocks of contrasting colors to create visual interest. This style is popular among fashion-conscious consumers and students alike.