Details, Size & Fit. The Rachel O-ring Tonic Top from Forcastoffers an effortless route to sophistication. The ivory tunic top features a metallic O-ring that lends a distinctive touch to The monochrome piece. Ourmodel. iswearing a size. She usually takes a Standard AU8 size, is 5’7”(170cm)tall and has a 64cmwaist. -Length: 83cm Slim fit Smooth fabric Ivory tone High neckline Wrap design; metallic O-ring detail Zip-through back Unlined.Cold hand wash. Warm iron. Do not bleach. Length: 83cm.fabric / material: Woven.Material: 95% Polyester & 5% Spandex.SKU: FO571AA86IZH.