Can you bake mini cheesecakes in 4 ounce Mason jars?

I would not put these in the oven. Neither would I put mason jars in the oven. But I guess you could ask the manufacturer. I just use them to make oatmeal in the refrigerator overnight

what are the dimensions of the jars (not of the package the jars come in)?

Lid diameter 2.5”; jar height 2”

Yes as far as I can tell these jars are lead free. I researched before purchasing.

No, I don’t think they are oven safe. They go in the microwave though. I use mine for overnight oatmeal and only put the jar in the microwave for 40 seconds and it was fine.

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Description

✨ Seal the moment, share the joy! 🏷️

ALL IN ONE DIY KIT - Includes 8 jars, labels, and hemp rope for personalized, Instagram-worthy presentations that wow your circle.
VERSATILE ELEGANCE - Clear glass showcases your creations beautifully—ideal for food storage, DIY gifts, or stylish party favors.
PRESERVE WITH CONFIDENCE - Airtight lids lock in freshness and prevent leaks, perfect for your homemade jams and honey.
PERFECTLY PORTABLE PORTIONS - Compact 4oz size fits effortlessly in your bag or picnic basket—snack or gift on the go.
EFFORTLESS CLEANING FILLING - Wide-mouth design and smooth interior make refills and cleanup a breeze—no residue left behind.

ComSaf Mini Mason Jars are a set of eight 120ml (4oz) BPA-free glass jars featuring airtight, split-type sealing lids and bands to ensure leak-proof food preservation. Their compact size and wide-mouth design make them perfect for portable snacks, easy filling, and thorough cleaning. Dishwasher safe (jars only), refrigerator safe, and ideal for storing jams, honey, desserts, or creating stylish DIY gifts and party favors with included labels and hemp rope.

Specifications

Product dimensions	32.5L x 17.5W x 9.5H centimetres
Recommended uses for product	Foods
Special feature	dishwasher-safe
Container Shape	Rund
Closure type	Rope
Dishwasher safe?	Yes
Material Type Free	BPA Free
Item package quantity	8
Item weight	2.35 Pounds
Product care instructions	Dishwasher Safe,Refrigerator Safe
Item volume	120 Millilitres
Unit count	8.0 count
Is microwaveable	No
Item form	Jar
Manufacturer	ComSaf
Specific uses for product	Spices, jam, honey, jelly, dessert, oats, cereals, sauce, fruit
Size	4oz/125ml
Item model number	Mason Jar/4oz/120ml/8pcs
Shape	round
Volume	120 Millilitres
Number of Pieces	8
Special Features	dishwasher-safe
Batteries included?	No
Batteries Required?	No
Item Weight	1.07 kg

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