Jam jars are glass containers designed for the safe storage and packaging of jams, preserves, marmalades, sauces, and spreads. Made from food-grade glass, they are non-reactive and do not absorb odors or flavors, helping maintain product taste and quality. When paired with compatible lids, jam jars provide an airtight seal that supports freshness, hygiene, and extended shelf life for both home and commercial use.
Key Features
Specifications
Item
Details
Material
Food-grade Glass Jar+Cap
Color
Custom Color
Collar Material
GLASS
Capacity Range
30 ml – 500 ml (custom sizes available)
Neck Finish
Twist-off / Continuous thread
Compatible Lids
Metal twist-off lids, easy-open lids, screw caps
Shape Options
Round, square, hexagonal
Color
Clear (custom colors optional)
Application
Jam, honey, marmalade, sauce, preserves
Customization
Logo embossing, labeling, OEM & ODM supported
Advantages
Maintains Freshness & Shelf Life
Airtight sealing helps protect products from air and contamination.
Safe & Non-Reactive Packaging
Glass does not affect food taste or quality.
Premium Shelf Appearance
Clear, solid glass enhances product presentation and brand image.
Versatile Usage
Suitable for retail, home use, food service, and industrial filling lines.
Support
Established in 2014, Xuzhou Warlter Packaging Products Co., Ltd. is a professional manufacturer of glass packaging solutions and easy-open lid systems. Based in Xuzhou, China, we provide food-grade glass jars, bottles, metal lids, bird’s nest jars, mason jars, carafes, and aluminum cups for global markets.