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 Paper and Baking, Reusable PTFE Cover Sheet | 3 Pack, Large 16x20, Teflon Sheet for Baking, Heat Resistant Range Mat, Food Safe, BPA & PFOA Free

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 & cut-to-fit design

€ 48.33

Duties & taxes included

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

♻️ Bake, press, repeat—your kitchen’s new MVP!

EFFORTLESS CLEANUP - Non-stick surface wipes clean in seconds—no scrubbing, no stress.
MULTI TASKING MARVEL - Perfect for baking, heat pressing, oven lining, and crafting—one sheet, endless possibilities.
ULTIMATE HEAT SHIELD - Withstands scorching temps up to 500°F for flawless baking and pressing every time.
ECO FRIENDLY DURABLE - Reusable PTFE sheets built to last, reducing waste and saving you money.
TAILORED TO YOUR NEEDS - Cut and customize these oversized 16”x20” sheets to perfectly fit any project or oven space.

ThreadNanny’s premium 3-pack Teflon sheets measure 16”x20” and resist heat up to 500°F. These versatile, reusable PTFE liners are non-stick, easy to clean, and customizable to fit any baking or heat press need. BPA and PFOA free, they combine durability with food-safe materials, making them an essential upgrade for professional-quality cooking and crafting.

Specifications

ASIN	B06XCGPF3G
Best Sellers Rank	#28,788 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #111 in Baking Mats
Brand	ThreadNanny
Brand Name	ThreadNanny
Color	Beige
Customer Reviews	4.6 out of 5 stars 438 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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