This STUNNING dress was only used once for a trip. Deep plunge with a strap that adjusts across the back. Runs big. I’m usually a size six and got a four. Item details from the site: Plunge maxi dress Ruched, open back with adjustable straps, lettuce edge hem Non-stretch material, fully lined Princess Polly Lower Impact Main: 90% reclaimed polyester 10% elastane, Lining: 90% reclaimed polyester 10% elastane Cold gentle machine wash Created with high quality reclaimed polyester, this piece is made with materials that have been recovered from consumer use.