743 Weck Mold Jars 3/4 Liter Tall Set of 2 - Airtight Glass Canning

In this review the 743 Weck Mold Jars are evaluated as a practical option for home canning and everyday storage; they are best for home gardeners, fermenters and anyone avoiding plastic. The single biggest reason to buy is their combination of a wide mouth, airtight sealing capability and heat resistant transparent glass that makes preserving, fermenting and reheating food straightforward and visible. The set reviewed here contains two 3/4 liter tall jars with wooden lids and is aimed at cooks who value reusable, attractive containers that work for jams, pickles, sourdough starters and dry storage.

Key Features

• Wide mouth: The large opening makes filling with fruits, vegetables or sourdough starter easy and also simplifies cleaning with a brush or sponge.
• Airtight seal: Rubber gaskets and a tight lid keep air out so jams, pickles and fermented foods stay fresher longer.
• Heat resistant glass: Thick, durable glass allows microwaving and some baking use when temperature changes are gradual.
• BPA free and eco-friendly: A reusable glass option that replaces disposable plastic jars for healthier long-term food storage.
• Decorative vintage look: Transparent classic styling makes these jars suitable for table presentation and gifting.
• Dishwasher safe: Straight sides and sturdy construction make cleaning in the dishwasher or by hand simple.

Who It's For

The 743 Weck Mold Jars suit home canners, gardeners with surplus produce, and people who make sourdough starters or ferment foods; their 3/4 liter capacity holds about 3+ cups, a useful size for batch-preserving and daily fridge storage. They are also useful for those who want an attractive, non-plastic jar for dry goods, overnight oats and small pantry items.

Shoppers who need ultra-robust lids for high-pressure canning methods or who require guaranteed drop resistance may want a different heavy-duty commercial jar; a few customers reported broken jars in dishwashers and occasional gasket fit concerns, so handle with care during thermal shocks and check seals before long-term storage.

Pros & Cons

Pros

• Attractive, vintage glass that looks good on the table and in the pantry.
• Wide mouth and straight sides make filling and cleaning straightforward.
• Good for sourdough starter and fermenting, keeping contents visible and accessible.
• Reusable, BPA free and dishwasher safe for everyday use.

Cons

• A small number of users reported lids or rubber seals that felt loose and occasional breakage in the dishwasher, so care is advised.
• Wooden lids in this set are decorative but may not offer the same long-term sealing fit as the rubber and glass system for very long shelf canning.

Specifications

Brand	WECK
Model	743 Mold Jar
Capacity	3/4 liter (about 3+ cups)
Set	2 jars with wooden lids
Material	Transparent heat resistant glass
Features	Wide mouth, airtight seal, dishwasher and microwave safe

Our Verdict

The 743 Weck Mold Jars are a well-rounded, attractive choice for home canning, fermenting and everyday food storage; they offer visible, heat resistant glass, a handy wide mouth and mostly reliable sealing at good value. Buyers who prize reusable, plastic-free containers and an attractive presentation will find these jars worthwhile, while those who need industrial-level toughness or worry about gasket fit should inspect seals and handle lids with extra care.

Frequently Asked Questions

Are these jars suitable for sourdough starters?
Yes, customers commonly use the 3/4 liter jars for sourdough starter because the size and wide mouth make feeding and stirring convenient.

Can I use the jars in the microwave or dishwasher?
The jars are made of heat resistant glass and are dishwasher safe, but avoid sudden temperature changes and take care with wooden lids in the dishwasher.

Do the lids provide a truly airtight seal for long-term canning?
The jars use rubber gaskets and a sealing system designed for preserving and fermenting; most users report good airtight performance, though a few noted gasket fit issues, so check each lid before long-term storage.