Stock Products
Stock envelopes are pre-made, readily available envelopes manufactured in various standard sizes and styles. These envelopes are often plain or come with common features like security tint or self-sealing flaps. They are a convenient choice for general mailing needs, offering affordability and quick accessibility for individuals and businesses seeking practical solutions for sending letters, documents, and other materials. With over ten million envelopes in stock, Envelope 1 is ready to meet the needs of your company. We invite you to browse our current in stock offerings, or to reach out to us for a custom quotation.
#10 Envelopes
![10 contour 10 contour](https://envelope1.com/wp-content/uploads/2023/11/10-contour-scaled.webp)
#10
4-1/8 x 9-1/2
Double side seam
No window
![10 contour_WIN1 10 contour_WIN1](https://envelope1.com/wp-content/uploads/2023/11/10-contour_WIN1-scaled.webp)
#10
4-1/8 x 9-1/2
Double side seam
SLW, 1/2-B
![10 contour_WIN5_8 10 contour_WIN5_8](https://envelope1.com/wp-content/uploads/2023/11/10-contour_WIN5_8-scaled.webp)
#10
4-1/8 x 9-1/2
Double side seam
SLW, 5/8-B
6×9 Envelopes
![6x9_contour 6x9_contour](https://envelope1.com/wp-content/uploads/2023/11/6x9_contour-scaled.webp)
6 x 9
6 x 9
Double side seam
No window
![6x9.5_straight 6x9.5_straight](https://envelope1.com/wp-content/uploads/2023/11/6x9.5_straight-scaled.webp)
6 x 9
6 x 9-1/2
Double side seam
No window
Other Envelopes
#9
3-7/8 x 8-7/8
Double side seam
No window
![3.625x8.625_contour 3.625x8.625_contour](https://envelope1.com/wp-content/uploads/2023/11/3.625x8.625_contour.webp)
8-5/8
3-5/8 x 8-5/8
Double side seam
No window
Quoted Envelopes
![6_3-4_contour 6-3/4 Envelopes](https://envelope1.com/wp-content/uploads/2023/11/6_3-4_contour-956x1024-281x300.webp)
6-3/4
3-5/8 x 6-1/2
Double side seam
No window
![3.625x8.625_contour 3.625x8.625_contour](https://envelope1.com/wp-content/uploads/2023/11/3.625x8.625_contour-1024x889-262x228.webp)
A2
4-3/8 x 5-3/4
Double side seam
No window
![4.375x5.75_STRAIGHT 4.375x5.75_STRAIGHT](https://envelope1.com/wp-content/uploads/2023/11/4.375x5.75_STRAIGHT-scaled.webp)
A6
4-3/4 x 6-1/2
Double side seam
No window
![4.75x6.5_straight 4.75x6.5_straight](https://envelope1.com/wp-content/uploads/2023/11/4.75x6.5_straight-scaled.webp)
A7
5-1/4 x 7-1/4
Double side seam
No window
![5.25x7.25_straight 5.25x7.25_straight](https://envelope1.com/wp-content/uploads/2023/11/5.25x7.25_straight-scaled.webp)
5-1/2 x 8-1/2
5-1/2 x 8-1/2
Double side seam
No window
![5.5x8.5 5.5x8.5](https://envelope1.com/wp-content/uploads/2023/11/5.5x8.5-scaled.webp)
#7
3-3/4 x 6-3/4
Double side seam
No window
![7 contour 7 contour](https://envelope1.com/wp-content/uploads/2023/11/7-contour-scaled.webp)
7-3/4
3-7/8 x 7-1/2
Double side seam
No window
![3.875x7.5_contour 3.875x7.5_contour](https://envelope1.com/wp-content/uploads/2023/11/3.875x7.5_contour-scaled.webp)
7-3/4
3-7/8 x 7-1/2
Double side seam
SLW
![3.875x7.5_contour 3.875x7.5_contour](https://envelope1.com/wp-content/uploads/2023/11/3.875x7.5_contour-scaled.webp)
![3.875x7.5_contour 3.875x7.5_contour](https://envelope1.com/wp-content/uploads/2023/11/3.875x7.5_contour-scaled.webp)
![3.875x7.5_contour 3.875x7.5_contour](https://envelope1.com/wp-content/uploads/2023/11/3.875x7.5_contour-scaled.webp)
#10
4-1/8 x 9-1/2
Double side seam
Window 1-1/4 x 4-1/2, 5/8-B
![11_Contour 11_Contour](https://envelope1.com/wp-content/uploads/2023/11/11_Contour-scaled.webp)
![11_Contour 11_Contour](https://envelope1.com/wp-content/uploads/2023/11/11_Contour-scaled.webp)
#11
4-1/2 x 10-3/8
Double side seam
No window
![10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381 10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381](https://envelope1.com/wp-content/uploads/2023/10/10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381.webp)
![10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381 10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381](https://envelope1.com/wp-content/uploads/2023/10/10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381.webp)
![10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381 10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381](https://envelope1.com/wp-content/uploads/2023/10/10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381.webp)
6 x 9
6 x 9
Double side seam
SLW, 5/8-B
![10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381 10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381](https://envelope1.com/wp-content/uploads/2023/10/10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381.webp)
![10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381 10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381](https://envelope1.com/wp-content/uploads/2023/10/10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381.webp)
![10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381 10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381](https://envelope1.com/wp-content/uploads/2023/10/10Window_Page_2_f756d0c2-12d7-40e8-a580-a2510b020381.webp)
6 x 9
6 x 9
Double side seam
Window 1-1/4 x 4-1/2, 5/8-B