To view the bottle with a different cap, choose a letter from the following table under the Cap Section. "EIB" Series Ref. Volume Caps Material EIB150 150cc 158  71x34 I, M SCB, SCV SCA PP or PE EIB250 250cc 208  77x38 I, M SCB, SCV SCA PP or PE Optional Caps I M SCB SCV SCA