Blood Type Keychain A positive (A+)
Blood Type Keychain close-up of the woven fabric tag
Blood Type Keychain size: 2.56 x 1.22 in (6.5 x 3.1 cm)
SOS Safety Alarm 30-day money-back guarantee
Blood Type Keychain A negative (A−)
Blood Type Keychain B positive (B+)
Blood Type Keychain B negative (B−)
Blood Type Keychain AB positive (AB+)
Blood Type Keychain AB negative (AB−)
Blood Type Keychain O positive (O+)
Blood Type Keychain O negative (O−)

Rated as the most caring gift

Your blood type, on the keys you carry.

Your blood type in bold stitched letters, on the keys you take everywhere. Soft, light and easy to read.

  • Free shipping with USPS
  • 30-day money-back guarantee
  • Our only goal is to save lives.

Blood type

Universal split ring

Fits any keyring, lanyard, zipper or bag clip. Woven fabric, so it weighs almost nothing.

Few left in stock

30-day money-back guarantee

Try it at home for 30 days. Not happy for any reason? Email us within 30 days of delivery and we'll swap it or refund you in full.

Product details

Your blood type on the keys you take everywhere. A woven fabric tag with your blood type stitched in bold, clear letters, so anyone helping you can read it at a glance.

Soft, flexible and feather-light: you won't notice it on your keyring, in your bag or on your gym bag zipper. A simple, handy backup to your medical ID bracelet.

  • Blood types: A+, A−, B+, B−, AB+, AB−, O+, O−
  • Material: woven fabric tag with embroidered lettering, metal split ring
  • Size: 2.56 × 1.22 in (6.5 × 3.1 cm), ring included
  • Weight: just a few grams
  • Colors: deep red tag, black lettering
  • Fits: any keyring, lanyard, zipper or bag clip
What to expect
  • Stitched and ready to use. The tag reads exactly as shown in the photos, so there's nothing to fill in.
  • A blood type tag, not a medical device. In an emergency, call 911.
  • Tracked delivery in 5–12 business days, free to every US address.
  • 30 days to decide. Not right for any reason? We swap it or refund you in full.
Shipping & delivery

Free tracked shipping on every US order, no minimum. Delivery usually takes 5–12 business days.

As soon as your order ships, we email you a tracking link. The first scan can take up to 5 days to show, so an empty link in the first days is normal.

Want extra cover? Add Package Protection ($4.99) at checkout for a free replacement if your package is lost, stolen or arrives damaged.

Not arrived within 21 business days of shipping? Email support@wristcue.com and we'll send a replacement or refund you.

Returns & exchanges

Try it at home for 30 days. Not right for any reason? Email support@wristcue.com within 30 days of delivery with your order number. We reply within one business day.

Once we receive your return, your refund goes back to your original payment method within three business days. Prefer another color, style or condition? We'll help you swap.

Arrived faulty or damaged? The 30-day window doesn't apply: we replace or refund it.

Small tag,
important detail.

Your keys go everywhere you do. A blood type tag puts one key fact on the one thing you never leave behind.

Read in a second.

Big, stitched letters: A, B, AB or O, and positive or negative. Nothing to decode.

Light as fabric.

A woven tag, not a metal plate. Soft, flexible and you won't feel it on your keyring.

Pairs with your ID.

A handy extra next to your medical ID bracelet, for the days it's not on.

Shop with confidence.

30-day returns

Wrong fit, not quite right, or changed your mind? Email us within 30 days for an exchange or a refund.

Free tracked shipping

Every order ships with tracking, so you always know where it is.

Ships across the US

We deliver to all 50 states.

Readable at a glance

Your blood type in bold, stitched letters.

Asked, and answered.

Which blood type should I choose?

The one on your medical records or blood donor card. Not sure? Ask your doctor or check with your blood bank before ordering.

How does it attach?

With a metal split ring that fits any keyring, lanyard, zipper or bag clip.

What's it made of?

A woven fabric tag with embroidered lettering. It's soft, flexible and weighs just a few grams. Size: 2.56 × 1.22 in (6.5 × 3.1 cm).

How long does shipping take?

Every order ships free with tracking and usually arrives in 5–12 business days. Add Package Protection at checkout for $4.99 to cover loss, theft or damage.

How does the 30-day guarantee work?

Try it at home. If it's not right for any reason, email us within 30 days of delivery and we'll exchange it or refund you in full.

What's your return policy?

Email support@wristcue.com within 30 days of delivery and we will sort it out. Refunds are processed within three business days of receiving your return.

Wear it before
you need it.

Customers often tell us they wish they'd ordered sooner. Nobody says they ordered too early.

Order yours from $12.95

30-day returns · Free tracked shipping