About Hyloplast

Hyloplast is a plastic container manufacturer based in the East San Francisco Bay Area, specializing in extrusion blow molding. We produce high-quality HDPE bottles for personal care, household, industrial, and food-safe applications. Our initial lineup includes Cosmo Round, Boston Round, gallon, and specialty bottles, with industry-standard neck finishes.

Beyond stock bottles, Hyloplast offers custom blow molding solutions, helping businesses develop tailored packaging to meet specific requirements. Whether you need unique sizes, shapes, or materials, we provide end-to-end manufacturing support—from concept to production.