This single whole blood collection bag is used for collection of whole blood with anticoagulant CPDA-1 solutions USP. It is composed of a bag, a collection needle and a tube. The product has dual layers of packaging, an aluminum and an individual packaging. Eliminates microbial contamination on the surface and maintains the content of anticoagulant. Preserves red blood cells up to 35 days at 2℃-6℃.