This is my second Plane for our family pool. The first was bright blue and a bit stiff to use. With this new plan, I was skeptical at first regarding the air holes, but the Plane (very flexible) floating on the water. The Plane is not nearly as dark as in the photo in kind. Nevertheless, the plans at the basin Sonneneintrahlung heats up well. Let's see how many years keeps these plans ... ,,, Oh chem. Smell pour out the tarp at the First unpack well. That lay however.