are these more rigid or thicker than usps flat rate mailers?

thicker yes. I think USPS mailer is 200-250GSM. I estimate they are about 300GSM material. I was hoping for 350 myself but they will work for what I need.

what pt material are they made of?

don't think there's an official grade provided by seller but I estimate they are about 300GSM material. I was hoping for 350 but they will work for what I need.

Do you think I could fit an 8x8 canvas board comfortably in these?

The mailers I have open on the long side. They would accomodate your 8x8 canvas board. The mailers are very rigid. I've re-ordered.

Are the kraft ones recyclable?

Hello there! Of course, the are made of 100% recycled fibers, and it's still recyclable. Thank you!

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Rigid Mailers 30 Pack 9.5 x 12.5 inches Brown Self Seal Stay Flat Bulk Cardboard Kraft No Bend Mailers Peel and Seal for Document Photos Pictures Papers Files CD

Rigid Mailers 30 Pack 9.5 x 12.5 inches Brown Self Seal Stay Flat Bulk Cardboard Kraft No Bend Mailers Peel and Seal for Document Photos Pictures Papers Files CD

Product ID: 406136501

Details

Brand
Bonfasvo
Closure Type
Self-Seal
Color
Brown
Material
Paper
Number of Items
30

📏9.5 x 12.5 inches perfect fit

📦Heavy-duty rigid cardboard

🔒Self-seal peel & stick closure

S$83

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Description

📦 Ship Smart, Stay Sharp — No Bend, No Stress!

BULK VALUE PACK - 30 mailers per pack to streamline your shipping needs and save costs.
COMPACT ORGANIZED - Slim design stores flat, saving space while maintaining durability.
EFFORTLESS SEAL PEEL - Quick, secure self-seal strip for hassle-free packaging every time.
FLAT FIRM PROTECTION - Keeps documents, photos, and files pristine without bending or creasing.
VERSATILE PROFESSIONAL - Ideal for businesses and home offices shipping invitations, photos, or paperwork.

The Bonfasvo Rigid Mailers come in a bulk pack of 30, each measuring 9.5 x 12.5 inches. Crafted from heavy-duty cardboard, these mailers provide superior resistance to bending and tearing, ensuring your documents, photos, and files arrive flat and protected. Featuring a convenient peel-and-seal closure, they offer quick, secure packaging ideal for both professional and personal use.

Specifications

ASIN	B09MFGLP4Z
Additional Features	Duty】-
Best Sellers Rank	#7,109 in Office Products ( See Top 100 in Office Products ) #92 in Envelope Mailers
Brand Name	Bonfasvo
Closure Type	Self-Seal
Color	Brown
Customer Reviews	4.7 4.7 out of 5 stars (1,097)
Item Dimensions L x W	12.5"L x 9.5"W
Item Shape	Rectangular
Manufacturer	Bonfasvo
Material Type	Paper
Number of Items	30
Recommended Uses For Product	Cash, Invitation Card, Letter
Size	9.5 x 12.5 Inch (30 Pack)
Style	Flat
Unit Count	30 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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S$83

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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