The B3 is Slingshots original 2-line foil light traction trainer kite. The B3 is hands down one of the best light traction kites on the market. It features a Ripstop nylon canopy for land use durability ,simple relaunch, foam padded and lightweight aluminum control bar with pre-stretched lines. Compact storage bag for easy travel and storage. The B3 also comes with Lifetime Rider Hotline Support membership.