925 Sterling Silver Hollow Heart Couple Rings for Men and Women. These open adjustable minimalist bands feature a delicate hollow heart design, perfect for symbolizing your unique connection. Crafted in elegant sterling silver with a subtle Korean-inspired style, these matching promise rings are ideal for anniversaries, engagements, or as a timeless couple's gift. The adjustable open design ensures a comfortable and perfect fit for any finger size, making them a versatile and meaningful unisex accessory.