This 1" (25 mm) M5 stand up tube closure has a stipple top and ribbed sidewall. It's made from polypropylene and comes with an M5 stand up neck thread and standard V thread profile. It's compatible with 1" diameter extruded tubes. Berry Global offers a broad range of tube closures designed to complement our extensive portfolio of laminate and extruded tubes and to meet the needs of any application. All of our tubes packaging solutions are 100% assembled domestically at vertically integrated plants in Evansville, IN, and Easthampton, MA.