
4 Ounce 120ml Cobalt Blue Boston Round Glass Bottles. Cobalt Blue Glass Material: Made of soda lime glass in cobalt blue color, suitable for light-sensitive contents. Boston Round Design: Features rounded shoulders, rounded base, and smooth sides for a classic look. Versatile Cap Options: Available with caps, droppers, and atomizers for various application needs. USP Type III Standard: Meets USP Type III standards, ensuring quality for pharmaceutical and lab use. GPI Screw Thread Finish: Equipped with GPI screw thread neck finish for secure sealing. Wide Application Scope: Ideal for pharmaceutical, chemical, laboratory, cosmetic, and food packaging. Secure Packaging: Shrink wrapped and packed in strong corrugated cartons or pallets. Customization Available: Supports customization from samples and designs for specific requirements.