Besteel Stainless Steel Eternity Couple Rings for Women Engagement Wedding 2 Pcs Size 4-9 Material: Stainless steel which much hardness and hypoallergenic than alloy or other metal. Only need very low maintenanc Size: 3.5mm,6 different sizes to fit almost female fingers. Quantity: 2 different color rings a set, 2 rings in one same size, make you different everyday! Design: High polish finish with special mixture weave like Celtic knot, comfort fit and catch eyes. Warranty: 90-day money back guarantee or exchange.