With a body width of 3.5 cm or so， with telescopic body， good flexibility. Adjustable length of the middle section of the folder， the parents do not need to worry about the length.

Length of 120cm or so (for 1.85 meters， 220 pounds the following persons to use)

The use of rust-proof metal buttons (the middle hard plastic deduction， tightly bite the double protection)， nice， durable!