Zeller Plastik Mexico, a Global Closure Systems company, has designed a 28mm SportGuard® liner-less sports cap featuring a 3-part, lightweight, 28mm 1873 short finish closure.
The BSDA Choke Hazard compliant flip-top outer closure and separate drinking spout are both manufactured in HDPE to provide an anti-sabotage tamper evident band to the neck finish and a tamper evident tear-off band to the flip-top. The drinking spout houses the silicone valve sub-assembly. The flip-top opens to 180 degrees. Withstands the nitrogen positive pressure used in the filling process and hermetically seals the bottle without the use of induction heat seal liners.