EZBio® GL45 Closed Cap, White PP for Plastic Bottles – Leak-Proof GL45 Closed Cap with VersaCap® Technology. Foxx Life Sciences' EZBio® GL45 Cap with VersaCap® technology is leak-proof and provides the ultimate in top-connection flexibility for plastic and glass bottles. All EZBio® GL45 Caps are made from polypropylene, autoclavable at 15 PSI and 121°C (250°F) for 20 minutes. Available in 5/CS and 25/CS. Meets or exceeds cGMP, FDA, and USP 665. Compatible with Foxx EZLabpure and EZBiopure TR Bottles. Cap Type Closed Top Cap Material White PP Polypropylene (PP) Cap Size GL45 Diameter 57.2mm Height 24.9mm Certifications Class VI, Autoclavable, BPA Free, FDA, Made in USA