Petros Yfasmata is a fabric and sewing-supplies retailer based in Aigaleo, Greece, offering products through its online store and physical shop. Its range serves home sewers, clothing makers and customers looking for materials for furnishings and creative projects. Shoppers can browse fabrics for clothing, curtains, upholstery, and decorative or construction uses, alongside sewing materials and accessories. The selection includes options such as stretch and satin fabrics, tulle, lace, faux leather and velvet, as well as household linens including sheets and towels.

The store also sells practical sewing essentials, including threads for domestic and professional sewing machines and sewing-machine needles in different sizes. Its catalogue features materials for bags and other handmade creations, with selected products available at reduced prices. Customers can create an account, save items to a wishlist and order online. The retailer advertises free shipping and cash on delivery for purchases over €40, and provides information about ordering, payment, shipping and product returns.