The B4 Adventure Slackers Ninjaline Ninja Net attaches to the Ninjaline (not included) to create a variety of obstacles. This 7'L x 4'W cargo net is made of polyester webbing strap with nylon double stitching. It includes 4 Delta carabiners and a 36' anchor line. The anchor line adds stability to the base and can be removed to increase the difficulty level. The B4 Adventure Slackers Ninjaline Ninja Net is compatible with the 36' or 56' Ninjaline. The anchor line only fits with 36' Ninjaline. Ages 5 and up. Imported.Manufacturer model #: SLA.801. Compatible with 36' or 56' Ninjaline Creates a variety of obstacles Made of polyester webbing strap Nylon double stitching 4 Delta carabiners 36' anchor line adds stability