Skydog Tie Dye Butterfly Kite Sky Dogs Butterflies are exceptionally good fliers, especially in strong, gusty winds. Deeply bowed, they have 17-ft. long tails and are super stable. Ripstop nylon with fiberglass spars. 4'-0" x 2'-6". 29" case. Ready to Fly with 300' of 30-lb. line on a hoop. 6 to 25 mph winds.