1. A container for blood or a blood component, the container comprising one or more container walls defining an interior chamber, the container walls comprising one or more layers, the layers comprising a composition comprising one or more polymeric materials and a blend of two extractable agents, wherein the blend consists of about 50% to about 70% w/w of di-2-ethyl hexyl terephthalate (DEHT) and about 30% to about 50% w/w of acetyl tributyl citrate (ATBC), or about 40% to about 60% w/w of DEHT and about 60% to about 40% w/w of butiryl trihexyl citrate (BTHC), or about 40% to 60% w/w of DEHT and about 60% to about 40% w/w of a polyol ester, wherein the container further comprises one or more additional components, and wherein the container comprises less than about 3% (w/w) of phthalates, including di-2-ethylhexyl phthalate (DEHP).