Complete your dog park with this doggie crawl tube.  This 30 in diameter tube is the perfect size for dogs big and small.  Made for a high density molded plastic its sure to withstand the elements. The puppy tunnel is the perfect activity for dog agility courses.  As a dog park obstacle, it presents a unique challenge for dogs to run through.  The sides of the tube can have different colors and paired with other dog park play items of your choice.