We recommend going with the smaller size for a snug fit. A closer fit improves sensor contact, leading to more accurate health readings.

No problem! If the size isn’t right when your ring arrives, we’ll be happy to exchange it for the correct size—no extra charge.

Yes! If a friend or family member has a SeekZero Sizing Kit, feel free to use it. Just make sure it's from SeekZero, as our sizing system is different from traditional ring sizes. Once you know your size, you can skip the sizing kit step and place your order directly.

Yes! SeekZero Ring works on any finger of either hand. For best results, we recommend choosing a finger where the ring fits snugly but comfortably.

Our ring uses built-in health sensors that require a precise fit to perform accurately. That’s why we use a specialized sizing system, different from typical fashion rings.

Nope! The sizing kit is yours to keep. There’s no need to return it, even if you decide not to place an order.