Poles can be set up differently for different training routines. Can be used on grass or any suitable flat ground. Exercises your puppy/dog and helps train them simultaneously. Features: Polyester shell are resistant to tearing and damage for prolonged use. Bag included to store all pieces altogether and carry them easily. Whistle is included to train your dogs more scientifically and effectively. Assembly required. | PawHut Dog Agility Obstacle Course Set | Wowcher