This blood type patches can provide quick recognization of your blood type when you need first aid or emergency rescue in outdoor activities.
<br /> 
<br />The patch type is "embroidered iron-on" patches.
<br /> 
<br />The blood type includes A, B, AB, O types in White, khaki or brown background. (shown in the pictures)
<br /> 
<br />The size is 5.1*2.5cm (2*1'')
<br />
<br /> 
<br />These Blood Type Patches can be attached on clothes, bags, hats, vests, shoes and many other places.
<br /> 
<br /> 
<br />if there is no loop side on these items, don't worry! we provide loop side for each patches, so you can sew it on your clothes or bags easily.