Weight: about 515g
Expanded length: about 53cm*31cm/20.86* 12.2in
High quality magnetic stone magnet strength on the back of the chess pieces has strong magnetic force.
clear-glossy light colors, exquisite workmanship conducive to coaching tactics.
the route is clear with a pen to write and rub.
Easy to carry- leather skin with good texture; portable ring design is easy to carry.
Wider Length: approximately 53 cm * 31 cm / 20.86 * 12.2 in.