The 30W448 is a 4 fl. oz. clear flint mayo economy glass jar with a 48mm (48-405) neck size. It has a wide mouth opening, and a popular profile, applicable for use across industries. This jar is excellent for food such as mayonnaise, nut butter, and jam, and useful for products that need a wide opening for dispensing. Glass offers excellent strength, weight, and compatibility for materials that cannot use plastic containers. (48-400 caps fit 48-405 neck finishes.) The Cary Company offers a variety of closure and liner combinations. Economy Clear Glass Jars are packed 24 jars per case in our Re-Shipper cartons to provide for easy pack, fill and ship.

Key benefits:
  • Wide mouth opening
  • Also known as the "mayo jar" or "economy jar"
  • Can be used in hot fill or water bath canning
  • Strong and heavy bottle
405 Finish
A glass bottle with a 405 finish is actually a 400 finish but with a depressed thread. The 405 finish was designated to avoid abrasion and chaffing on the interior of cap threads. Both 400 and 405 are shallow continuous thread finishes.


Flint Glass - Flint glass is a clear, colorless glass known for its clarity and high refractive quality. It is a heavy and durable form of glass that is suited to hold products that can withstand light such as water, sauces, and food. It is sometimes used to hold select types of alcohol. Clear (flint) glass is often used to make wine, woozy, Boston round, and salad dressing bottles. Discover if Flint Glass is appropriate for hot fill application by learning more about What Is Hot Fill Packaging and how it applies to Flint Glass containers.


This information has been provided as a general guide. It is the customer's responsibility to select the proper container for product and application compatibility. The Cary Company does hereby disclaim any and all warranties, expressed or implied, including any implied warranty of merchantability or fitness for a particular purpose or use. We are not responsible for consequential damages arising from customer's selection and use of containers, container and label dimensions, and/or closures supplied by us.

Additional Information

More Information
Capacity4 oz.
Overflow Capacity4.25 oz. (125.69 ml)
Neck Finish48-405
Neck Width48 mm
Dimensions2" Dia x 3.391" H
Label Panel Dimensions6.2832" W x 1.766" H (100% wrap)
Case Pack24 ea.
Case Dimensions20" L x 15" W x 15" H
Pallet Pack7,680 ea. (320 Cases)
Pallet Dimensions48" L x 42" W x 90" H
IndustriesFood & Beverage
Note:Packed in a 24x1 Re-Shipper Carton (24 per box)
*Caps and closures sold separately. -- Scroll down below to view recommended caps.
*It is recommended to clean before use.
Q & A
Customer Questions
Can you ship internationally? Where are you located?
The Cary Company online ordering platform is only set up to ship within the United States. For international shipments, please contact us at 630.629.6600 or Sales@thecarycompany.com, and we will be happy to process your order. Our main warehouse and office are located in Addison, Ill. We also have warehouses in across the United States that you can see here. Thank you for choosing The Cary Company.
Do you offer labeling services?
Yes, we offer design services, as well as in-mold labeling, screen printing, label printing and application services. You can request a quote from our design team by calling 630.629.6600 or emailing Sales@TheCaryCompany.com. For more information regarding the services we offer, please go to our Design Services page. Thank you for choosing The Cary Company.
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