These blood type patches are small patches that can be worn on clothing or gear to indicate a person's blood type. This patch is an important tool for emergency responders, and anyone who wants to make their blood type easily identifiable in case of an emergency. Hook and loop design, easy to apply. Features -Color:Red -Material:PVC -Size:5.00X2.50X0.20cm/1.97X0.98X0.08in -The blood type patch is a small item that can be affixed to clothing to indicate a person's blood type. -This clothes patch is an essential tool for anyone who wants to that their blood type is easily identifiable in case of an emergency. -With its sturdy construction and clear design, this blood type patch is a must-have for anyone. -Constructed from PVC materials, the blood type patch is built to last, will not easy to tear. -The hook and loop patch is easy to apply and can be worn on clothing, backpacks, or other gear. Package list: 4 x Patches