Black and white contour hats seamless pattern
Vector seamless pattern.
the main Ai (Adobe Illustrator CS3 ) file include the pattern as a swatch in swatch panel (you can apply it on any shape and size) and pattern as illustration on art board so you can modify it.
As well in zip there are eps8 , jpg ( 900 X900 px), psd , transparent png and pdf files.
Files Ai, Eps are fully editable.