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🗂️ The binder that means business—durability you can trust, style you’ll flaunt.
The Carstens 1.5-Inch Heavy Duty 3-Ring Binder features premium copolymer polypropylene construction with No-Gap steel rings tested for over 50,000 uses. Its waterproof, hospital-grade cover protects documents from moisture and contaminants, holding up to 250 sheets securely. Designed for demanding professional environments like healthcare, offices, and schools, this black binder combines durability, precision, and a trusted 130-year legacy, proudly made in the USA by a Woman-Owned Small Business.









| ASIN | B07FNZW8PB |
| Brand | Carstens |
| Brand Name | Carstens |
| Capacity | 2.5 Pounds |
| Colour | Black |
| Customer Reviews | 4.6 out of 5 stars 379 Reviews |
| Item Weight | 1.1 Pounds |
| Manufacturer | Carstens |
| Manufacturer Part Number | 1.5-3R |
| Material | Plastic |
| Material Type | Plastic |
| Model number | 1.5-3R |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| UPC | 812070030357 |
| Unit Count | 1.0 Count |
E**A
Best quality binder
These are the highest quality binders I have ever purchased. And the color is beautiful. You can’t stack them horizontally because they slide off each other but that’s no big deal. They don’t have pockets either but they are so sturdy, I don’t care.
W**Y
Sturdy Binder
I love that this binder is very sturdy yet thin so it packs nicely in my back pack. They colors that are available are so nice.
K**G
Excellent binder, worth it!
Perfect heavy-duty binder for my lab classes. As a professor my binders take a beating. I like binders that have the rings attached to the spine, so this is another reason I bought two of these binders. I definitely like that the rings don't open randomly and spill all my papers; some other brands' binders have rings that open too easily. These don't have a front and back pocket, but I solved this by using pocket-style dividers in my binders.
B**E
Very sturdy
I’m actually super clumsy LMAO but this bitch lasts lemme tell u that
Y**Z
Expensive not well made at all
It was damaged and broken
Trustpilot
2 weeks ago
1 month ago