The image depicts a seamless pattern which was made using stripe-like things including borders.I used OCAL cliparts called "Blue Greek Key With Lines Border" uploaded by "GR8DAN" and "daisy border" uploaded by "johnny_automatic".Thanks.
Source Yamachem
Looks as if it's spray painted on the wall. You can be sure that this pattern will seamlessly fill your backgrounds on web pages.
Source V. Hartikainen
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
Kaleidoscope Prismatic Abstract No Background
Source GDJ
Free tiled background with colorful stripes and white splatter.
Source V. Hartikainen
The image depicts polka dot seamless pattern.
Source Yamachem
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin