3D printed with a soft plastic and nubs at the base to help with gate placement on off camber surfaces. 15mm flat space on top so you can use permanent marker for numbers and arrows, not included.
A quantity of 1 gate purchased, includes 2 markers to make up one complete gate
We have been using tennis balls for yrs, they work. Gabes gate markers take up less space on the rocks and have feet on the bottom to help stay on the rocks.