My children and I made all these designs over the past few years. Most of the individual designs are available in my shop.
This design does repeat both sideways and top-and-bottom; it will work as yardage on any width fabric.
Wallpaper Coverage Calculator
Based on the dimensions you provide, this calculator will determine the number of custom-length sections of paper you'll need to cover any surface. If the height of your surface varies, input the tallest dimension in order for the pattern to line up correctly.
Enter your dimensions in feet (1 foot is 30.48 cm).