Shimadzu crimp seal vial with writing space-Aijiren Crimp Vials Shimadzu-Aijiren Vials for HPLC/GC. The snap cap or aluminum seal ensures a firm seal of the sample, and the snap vial is only suitable for short-term storage of samples The Snap Top HPLC Vials for SHIMADZU Aijiren Vials have a standard 11.6x32mm profile and are compatible with convenient 11mm snap cap or aluminum seal closures.