The "hey circle" app, designed for Shopify users, revolutionizes shipping by promoting eco-friendly practices through reusable packaging. By integrating this app, online retailers can offer their customers a choice between single-use and sustainable, reusable packaging options, thus helping to reduce waste and cut down on CO2 emissions. Unlike other systems, hey circle offers a no-deposit return process, ensuring smooth operations for both businesses and consumers. The app also manages the timely return of packaging materials and handles billing if items are not returned. Additional features include customizable frontend components for highlighting reusable packaging and options to select specific countries for optimized return shipping costs. By choosing hey circle, merchants not only contribute to environmental sustainability but also create a positive marketing impact by showcasing their commitment to resource conservation.