20mL vials have a wide-mouth opening for ease of use and an octagonal-shaped base which locks into our special tray for easy one-handed capping and un-capping. Polypropylene co-polymer (PPC) is nearly transparent. Polyethylene (PE) caps have molded-in sealing rings for virtually leak-proof seals. 30 mm diameter opening 95kPa compliant Molded-in graduations and frosted writing area Made in the USA. Specifications:
- Material: Polypropylene Co-Polymer
- Caps Included
- Cap Color: Green
- Bulk Pack
- Case Quantity: 1000