we offer flip off caps in 2 sizes: 13mm, 20mm with custom logo embossed, if you are looking for sealed bottle caps for pharmaceutical, medical, antibiotic, crimp top,serum, sterile,tubular,injectable glass bottle vial,you can choose it with a variety of closure color and logo. if you product required a glass bottle, glass vial, crimper tool/sealer, rubber stopper you can select from our website.whatever the application we have the closure option for you. 2) 13mm custom made flip off cap, logo embossed for antibiotics bottles/infusion bottles3) specification 4) we offer best quality for flip off caps:logo embossed on flip off cap/seal5) truly smooth plastic cap edge, no burs of rough plastic6) nicely with no jagged metal edge at the perforation7) come pre-assembled, ready to crimp using the required specialty vial crimper, supplied separately.8) the plastic flip top vial caps are easily flipped off to expose the underlying aluminum seal and centre exposed rubber stopper or septa 9) HELP
