This is a pre-owned Lululemon Cool Racerback tank top in a space dye pattern. The tank features a racerback design and is made of a lightweight, breathable material. It measures approximately 26 inches in length and 16 inches across the chest. The tank is in good condition with no visible stains or tears. The Lululemon logo is visible on the back. Size 8 is best guess. No internal size tag. Measured flat and in the photos. Be sure and compare with a piece of clothing you know fits you best to compare fit