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📦 Ship Bold. Seal Strong. Stand Out.
UCGOU Poly Mailers 19x24 inch 100-pack are extra-large, black, opaque shipping bags crafted from thick, waterproof, and tear-proof polyethylene. Featuring a robust self-sealing adhesive that performs reliably across all seasons, these mailers protect your items and privacy while enhancing brand visibility. Ideal for clothing, quilts, and bulkier items, they streamline packaging with no need for additional materials, making them a top choice for professional businesses seeking durability and style.










| ASIN | B08YQW7H7Q |
| Additional Features | Waterproof |
| Best Sellers Rank | #988 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Bulk Envelope Mailers #29 in Envelope Mailers |
| Brand | UCGOU |
| Brand Name | UCGOU |
| Closure Type | Self-Seal |
| Color | Black |
| Customer Reviews | 4.8 out of 5 stars 20,955 Reviews |
| Item Dimensions L x W | 24"L x 19"W |
| Item Shape | Rectangular |
| Manufacturer | UCGOU |
| Material | Plastic |
| Material Type | Plastic |
| Number of Items | 100 |
| Recommended Uses For Product | Clothing, Quilt, Hoodies, Sweatshirts |
| Size | 19x24" 100PC |
| Special Feature | Waterproof |
| Style | Poly |
| Unit Count | 100 Count |
A**R
Great Size, Thickness, and Value
These poly mailers are a great size for shipping large purses with plenty of extra room for bubble wrap or other padding. The material feels thick and durable, and I appreciate that they’re water-resistant for added protection during shipping. Since they aren’t padded, I can customize the amount of protection inside and simply fold and tape down any excess if the mailer is larger than needed. Very easy to fold two sizes if it is too big . They are not transparent although I think I saw some that could be if you needed them to be . Very versatile and if they are too big, like I said, I can fold and tape them to size. They are perfect size for some bigger things, but if there is extra room, you can always cut or foldthem and tape them to size The adhesive seals securely, I love the teal color, and around $23 for 50 mailers is a decent value.
M**A
Reliable repurchase
Strong material with a bit of stretch, not the thin and rippable kind if you know what i mean. I just used up the first pack of the turquoise that i bought about a year ago so i went with black for a change. Quality is consistent between colors. The adhesive is super sticky and strong (all 100 orders made it to their intended recipient in tact). These have gained my trust and i can confidently recommend them to anyone looking for the highest quality at the lowest price
K**B
Saves a ton of money shipping bulky shoe boxes!
These UCGOU Poly Mailers 19x24” are a great size to ship bulky items in including shoe boxes! I was over paying in shipping charges shipping shoes in box’s that just made the item bigger. Switched to the poly Mailers and have saved a ton of money! These are thick and durable too! They stick like superglue and will ship almost any of my larger bulkier items.
B**L
Nice looking and a great value.
My second time purchasing the Ucgou poly mailers. A great value for the price. While not the thickest poly mailers I've used, they're also far from being the thinnest and a good sturdy mid-weight. Thus far, no issues with tearing. The self-adhesive strip at the top seals well. Our customers love the color (teal) and they're a size that lends itself to many uses. All in all, a great value.
K**Y
Great for shipping clothing and smaller items! Cute too!
Just what I needed! Perfect for shipping clothing items. I would just say this, if you need to package thicker items like a sweater, you will want something a tad bigger. These are perfect for smaller items, I was even able to ship a pair of shoes. Love the pink color too!
H**S
Durable and easy to use
Perfect size and very easy to use. They are durable and come in beautiful colors. The pink was exactly as pictured.
M**D
Hard to complain when they are easy on the pockets compared to others.
Well it only took returning my first order to receive the correct amount of bags but in the photos you can see the bag containing them ripped in multiple places. Hopefully I got all 100 of my bags but I know at least 1 got damaged in transit. Hard to complain about 1 bag when it still costs less than the competitors for this amount.
R**.
Just what I needed
Started selling clothing online and needed mailers. These fit most of my items perfectly. Long dresses, pants, etc. Durable and close great without worry of them coming open or ripping.
T**.
GREAT QUALITY!
These mailers are excellent quality and a really useful size. I use them for shipping larger clothing orders, and there’s plenty of room without having to squeeze everything inside. The material feels durable, the adhesive seals well, and I haven’t had any issues with them tearing during shipping. I’ll definitely be ordering them again. Canada Post probably hates them because they can’t write in sharpie on them but I love them!!
L**.
Precio-Calidad
Me encantaron
M**A
Tamaño perfecto
Es resistente y su tamaño es perfecto
S**E
Sturdy!
Very sturdy, perfect for my small business! Would recommend.
R**N
Happy with purchase.
Great price. Good bags.
Trustpilot
2 months ago
1 week ago