1.capacity :5L,8L,10L,15L 2.material : plastic 3.hight thermal insulation 4.inner bladder : PE capacity :5L,8L,10L,15Lmaterial : plastic hight thermal insulation inner bladder : PE Beer keg is a ideal of container to keep beer or other liquid fresh . the capabilities are 5L,8L,10L and 15L. The beer keg is all plastic , inside is made of PE material , outside is made of PP material .The thermal ...