UltraBond seals ND9 With UltraBond seal, the cap and liner form an inseparable unit such that the liner cannot be dislocated or pushed into the vial, even with a blunt needle; Special 2-in-1 kits for aijiren Technology Instruments; HPLC and GC certified short thread vials kits; LC-MS and GC-MS certified short thread SureStop™ vials kits