The prize shirt shows Snoopy, in the guise of his alter ego, Joe Cool, leaning nonchalantly against the distinctive Red Cross emblem above a caption that reads: “Be cool.

An American Red Cross partnership with “Peanuts” rewards blood donors with a T-shirt featuring Snoopy. Blood donations have jumped since the offer, especially as the shirt goes viral on TikTok ...

Everyone who donates blood by April 23 will receive a T-shirt while supplies last, featuring Snoopy as his alter ego, Joe Cool, in front of the Red Cross logo with the caption "Be cool. Give blood." ...

This Red Cross Snoopy shirt has gone viral in recent days, igniting an uptick in blood donations. Credit: Courtesy Red Cross (CNN) — If you’re cool, you’ll donate blood.

The Red Cross has teamed up with Peanuts to give you something a little better than an “I donated” sticker. If you sign up and donate blood by April 23, you’ll get to take home a T-shirt ...

You can now go get a free Snoopy shirt when you donate blood to the Red Cross. The shirt is so popular it’s become a viral trend on TikTok and has caused blood donations to rise.

An American Red Cross partnership with “Peanuts” rewards blood donors with a T-shirt featuring Snoopy. Blood donations have jumped since the offer, especially as the shirt goes viral on TikTok ...

Everyone who donates blood by April 23 will receive a T-shirt while supplies last, featuring Snoopy as his alter ego, Joe Cool, in front of the Red Cross logo with the caption “Be cool.