Delivery to Post-math on average in time, for a long time took it, although delivery from Russia was. Jumping I visually like very much, in the hand lie perfectly, durable, since the metal cord inside the rubber. The jumping of the lungs. The length is slightly more than 3 meters, but I have them for jumps upstream (my height is 1,79), I would like another stock in 10 centimeters to be perfect. I put four stars because of the nuance with the length. Take recommend, especially those who are below...