CheonssaYo1004YO is a shopping app for fabrics, home fashion, quilts, DIY, and sewing materials. It is the first and largest shopping mall app in Korea that produces its own fabrics and accessories, from design to printing, in-house. The app provides a one-stop-shop for trendy fabrics, accessories, sewing, quilt packages, and home fashion-related designs that are updated daily.

The app stands out from other fabric shopping apps because it offers a smart service that provides price comparisons, overall popularity, and new arrivals for fabrics and accessories. It also offers a view of the best-selling products from a selection of 36,000 items. The app's search feature enables users to find products easily. Users can also request new designs and fabrics through the app.

CheonssaYo1004YO has a wide range of fabrics for clothing, curtains, and bags, including canvas, cotton, linen, and waterproof fabrics. The app also offers various DIY materials for knitting, felting, and sewing. The app is free and available on Android devices.