Purchased Feb 2024 Size Regular No longer have box but indeed bought from Silverette site. First image is from the site. Intended to be worn between breastfeeding sessions! Note from their site: Silverette® nursing cups are your one-stop solution for sore and painful nursing nipples. Feel the magic of silver! Silverette® Nursing Cups are 100% hand-made and may show slight imperfections on the surface. These are purely cosmetic and do NOT affect the effectiveness or safety of the product. Oxidation (tarnishing) can occur naturally in silver and does not affect the effectiveness or safety of the product. Please follow the directions on preventing and cleaning the possible tarnishing included with Silverette® Cups.