Choosing a gift for your sister's wedding anniversary depends on her preferences and interests. Here are some thoughtful ideas that you can consider:

Personalized Items: Customized photo album or scrapbook with pictures of special moments, Personalized jewelry

Spa or Relaxation Experience: A set of scented candles, bath salts, and a cozy robe for a relaxing evening at home.

Memorable Experience: Tickets to a concert, show, or event they both enjoy.

Subscription Services: A subscription to a wine or book club, delivering new items each month.

Travel Accessories: Quality luggage or travel gear for their future adventures.

Home Appliances or Upgrades: Upgrading a kitchen appliance or adding a new gadget to their home.

Fine Dining Experience: A reservation at a fancy restaurant or a private chef experience at home.

Renewal of Vows: Arrange a surprise vow renewal ceremony or a small gathering of close friends and family to celebrate.

Tech Gadgets: The latest tech gadgets, such as a smart home device, fitness tracker, or a high-quality camera.

Fitness or Wellness Gifts: Gym membership, fitness equipment, or wellness-related items like a yoga retreat.