how many times can it be reused?

Presuming that you don't exceed the temperature limit (somewhere around 425F or 450F, I think), it can be used many, many times (similar to the number of uses you get for a Teflon coated frying pan, if you don't let it overheat). It may discolor to some degree, but the non-stick properties should remain the same. (I have had it discolor from heating frozen "fried chicken wings" in a toaster oven.)

Is it microwave safe (used to prevent spatters, like paper towel)?

Wouldn’t be without them. Save my cleaning time

Can you use these in a Freeze dryer?

I have no idea. I bought these for easy craft clean ups. And I have not even used them yet.

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Teflon Sheets for Heat Press and Baking - Reusable PTFE Oven Liners, Premium Teflon Sheet for Baking - Heat Resistant Range Mat - Food Safe, BPA & PFOA Free - Large 16" x 20” (3-Pack)

Product ID: 41293994

Details

Brand
ThreadNanny
Color
Beige
Item Weight
5.29 Ounces
Material
Teflon Sheets
Size
Baking Mats

🔥Heat resistant up to 500°F

♻️Reusable & easy to clean

✂️Customizable to any size

S$30

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Description

🔥 Bake, press, and craft like a pro—no mess, no limits!

TAILOR MADE FIT - Cut and customize these oversized 16”x20” sheets to perfectly suit your oven or craft project.
EFFORTLESS CLEANUP - Non-stick surface wipes clean in seconds—no scrubbing, no stress.
ECO CHIC REUSABILITY - Durable PTFE material designed for endless reuse, saving you money and waste.
MULTI TASKING MARVEL - From oven liners to heat press mats, these sheets elevate every kitchen and craft session.
ULTIMATE HEAT SHIELD - Withstands scorching temps up to 500°F for flawless baking and pressing every time.

ThreadNanny’s premium 3-pack Teflon sheets measure 16”x20” and resist heat up to 500°F. Made from durable, BPA & PFOA-free PTFE, these versatile, reusable mats are perfect for baking, heat pressing, and oven lining. Easy to clean and customizable, they combine professional-grade performance with eco-friendly convenience.

Specifications

ASIN	B06XCGPF3G
Best Sellers Rank	#39,079 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #165 in Baking Mats
Brand	ThreadNanny
Brand Name	ThreadNanny
Color	Beige
Customer Reviews	4.7 out of 5 stars 435 Reviews
Included Components	3 Teflon Oven Liners
Is the item dishwasher safe?	No
Item Dimensions L x W	20"L x 16"W
Item Weight	5.29 Ounces
Manufacture Year	2026
Manufacturer	Manki Trading LLC
Manufacturer Part Number	3_pcs_Heat_Pressing_Sheet_TN
Material	Teflon
Material Type	Teflon
Material Type Free	Chemical Free, Paraben Free, Phthalate Free, Polytetrafluoroethylene Free, Polyvinyl Chloride Free
Model Number	4336975541
Product Dimensions	20"L x 16"W
Shape	Rectangular
Size	Baking Mats
UPC	662712233642

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S$30

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to SINGAPORE.

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