The image is a seamless pattern which is derived from a vine .Consequently, the vine got like dots via vectorization.The original vine is here:jp.pinterest.com/pin/500744052301410188/
Source Yamachem
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
A pattern derived from part of a fractal rendering in Paint.net.
Source Firkin
Black brick wall pattern. Brick your site up!
Source Alex Parker
A bit of scratched up grayness. Always good.
Source Dmitry
A dark pattern made out of 3×3 circles and a 1px shadow. This works well as a carbon texture or background.
Source Atle Mo
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
A seamless design of flowers remixed from a jpg on Pixabay by Prawny.
Source Firkin
From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Formed by distorting a JPG from PublicDomainPictures
Source Firkin
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
8 by 8 pixels, and just what the title says.
Source pixilated
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Prismatic Geometric Pattern Background 2 No Black
Source GDJ
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
From an image on opengameart.org shared by rubberduck.
Source Firkin
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
From a drawing in 'Hyde Park from Domesday-Book to date', John Ashton, 1896.
Source Firkin