This is a really unique and sentimental gift for a sister – especially a \bonus sister\ (step-sister, sister-in-law, or a friend who feels like family). It's a stainless steel card, about the size of a credit card (3.35\ x 2.13\ and super thin at 0.03\), engraved with a sweet message like \You Are My Bonus Sister, You Are My Friend.\ The engraving is clean and readable, and the metal has a smooth, shiny finish. She can slip it right into her wallet, cardholder, or even her phone case as a little daily reminder of your bond. It's sturdy, won't bend easily, and should last forever. Comes in a simple presentation, ready to gift. Perfect for birthdays, holidays, sister's day, or just because. Sometimes the simplest gifts – just a few heartfelt words – mean the most. If you're looking for something different from a regular card or jewelry, this wallet insert is a thoughtful choice.