Can I put a 6oz jar in this size envelope?

I would recommend mailing a jar in a small box. Unfortunately it would not fit properly in this envelope. It would also break due to minimal protection.

Do these qualify to put stamp first class?

Yes - these can be used to ship First Class through the USPS as long as the total weight is under 13 ounces.

Could I get a pait of sock in these or do you know the Inside height when its sealed

Yes you can. Would work if you even had to fold them. The inside height when sealed is probably 7 inches

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UCGOU 4x8 Inches Poly Bubble Mailers Self Seal Black Padded Envelopes Waterproof Envelopes Shipping Envelopes Bags Pack of 50

Product ID: 314163532

Details

Brand
UCGOU
Closure type
Self-Seal
Colour
Black
Material
Plastic
Occasion
everyday

📏4x8 inch compact size

🔒Strong year-round adhesive

🛡️Full bubble cushioning

€ 44.24

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

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Description

📦 Ship Smart, Ship Sleek — Protect & Impress Every Time!

ALL WEATHER SEAL - Four-season adhesive ensures your package stays securely sealed rain or shine.
BOOST YOUR BRAND - Sleek black mailers elevate your professional image and make your shipments instantly recognizable.
COMPACT PROTECTIVE - Perfect 4x8 inch size with full bubble lining shields your valuables from impact.
DURABLE WATERPROOF - Thick polyethylene construction resists punctures, tears, and moisture for worry-free shipping.
PRIVACY FIRST DESIGN - Opaque black exterior with gray inner film keeps contents completely confidential.

UCGOU’s 4x8 inch black poly bubble mailers combine compact design with robust bubble cushioning and a strong self-seal adhesive that performs in all seasons. Crafted from durable, waterproof polyethylene, these padded envelopes ensure your items stay safe and private during transit. Ideal for small businesses aiming to streamline packaging while enhancing brand presence, this pack of 50 mailers offers a professional, secure, and stylish shipping solution.

Specifications

ASIN	B06XJ3CVR7
Additional Features	Lightweight, Self-Adhesive Closure, Waterproof
Best Sellers Rank	#2,632 in Office Products ( See Top 100 in Office Products ) #6 in Padded Mailers
Brand Name	UCGOU
Closure Type	Self-Seal
Color	Black
Customer Reviews	4.8 4.8 out of 5 stars (18,128)
Item Dimensions L x W	20.3L x 10.2W centimeters
Item Shape	Rectangular
Manufacturer	UCGOU
Material Type	Plastic
Model Name	Bubble Mailer
Number of Items	50
Occasion	everyday mailing
Occasion Type	General Use
Recommended Uses For Product	Face Makeup
Size	4x8 inches 50 count
Style	Modern
UPC	602447066931
Unit Count	50 Count

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

View all Trustpilot reviews

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