This Inexpensive Plastic Delta Is Perfect When You Need Kites For Lots Of Kids. Gayla(Tm) Deltas Are A Good Choice When Cost Outweighs Durability. Keep Some Handy When The Kids Want To Fly Your "Real" Kites. 46" Across, They'Re Made Of Polyethylene On Plastic Spars. Wind Range: 5 To 18 Mph. Ready To..