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, Stack, Style — Elevate your kitchen game! 🔥

PRESERVE WITH CONFIDENCE - Airtight lids lock in freshness and prevent leaks, perfect for your homemade jams and spices.
MAXIMIZE YOUR KITCHEN SPACE - Stackable jars with recessed lids let you organize like a pro without clutter.
EFFORTLESS FILLING CLEANING - Wide-mouth design and smooth interiors mean no mess, no residue, just pure convenience.
ALL INCLUSIVE ORGANIZATION KIT - Comes with labels and hemp rope to personalize and elevate your storage game.
VERSATILE STYLE MEETS FUNCTION - Clear glass jars double as chic DIY candle holders, wedding favors, or gourmet gift containers.

The ComSaf Mini Mason Jars 4oz (8-pack) feature BPA-free, food-grade glass with airtight split-type lids and bands to ensure leak-proof preservation. Their stackable design optimizes kitchen space, while the wide mouth and smooth interior simplify filling and cleaning. Perfect for storing spices, jams, honey, or crafting DIY gifts, these versatile jars come with labels and hemp rope for personalized organization.

Specifications

Product dimensions	36.4L x 13W x 26.4H centimeters
Recommended uses for product	serve
Special features	Air Tight, Multipurpose, Stackable
Container shape	Cylindrical
Closure type	Twist Lock
Is dishwasher-safe	Yes
Material type free	BPA Free
Item package quantity	8
Item weight	1.07 kg
Product care instructions	Wash the lid with a damp cloth by hand and air dry after cleaning. Do not immerse in water. expose jar temperature extremes or sudden temperature changes to avoid damage.
Item volume	120 Milliliters
Unit count	8 Count
Is microwaveable	No
Item form	Jar
Manufacturer	ComSaf
Number of Items	8
Specific uses for product	Storage
Size	4oz/125ml
Item Weight	1.07 Kilograms
Item model number	Mason Jar/4oz/120ml/8pcs
Color	Clear,silver
Shape	round
Volume	120 Milliliters
Number Of Pieces	8
Folded size	4oz
Cutting Diameter	15 Centimeters
Special Features	Air Tight, Multipurpose, Stackable
Included components	Bag
Batteries Included?	No
Batteries Required?	No
Item diameter	15 Centimeters

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