I recently bought a few "rubber" mats, each about 4' x 6' and maybe 1" thick, at Tractor Supply to put under my picnic table and Little Tyke's cottage so I could quit dragging them around the yard when it came time to mow. They work great! Each cost around $35, well worth the price to save the work and time I used to waste weekly. The kids love the solid floor of the cottage, too. ... View related article.