Corning® PYREX® 500 mL Round Wide-Mouth Glass Media Storage Bottle with GLS80 Screw Cap, 10/CS, 1397-500. Features: Heavy duty borosilicate glass for chemical and thermal resistance. Ideal for mixing, sampling, and storage. Extra wide-mouth (69 mm I.D.) for easy access to pouring and removing pastes, powders, and larger items.