This blood type patches can provide quick recognization of your blood type when you need first aid or emergency rescue in outdoor activities.
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<br />The patch type is PVC Rubber patches.
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<br />It is Noctilucent Luminous, so you can still see it at night. (the effect depends on the amount of sunshine during daytime)
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<br />The blood type includes A, B, AB, O types in NEG- & POS+ in GREEN background.
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<br />The size is 5*3cm (2*1.2'')
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<br />These Blood Type Patches can be attached on clothes, bags, hats, vests, shoes and many other places.
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<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.