Our skaters include safety and skating hats and skating have very smooth bearings and polyurethane wheels for quick and smooth movement. The important thing in these shoes is light weight (due to the use of engineered polymer materials) and the athlete is easier to educate the size of 26 to 31 children for children 4 to 7 years. The weight of each shoe is 870 grams. It has a resistant and resistant safety supplies.