Very Creative: Skateboarding shoes sneakers 2 in 1! His sole has a pair of hidden wheels. When opening and stowing the wheel, please make sure that the direction of the arrow is upright, and then tap the switch with a certain force (instantaneous impact force).The direction of the arrow is not the vertical lock. It is the state of the safety lock. The locked state cannot switch the wheel. Small and light, easy to carry, free to install on flat shoes, Eliminate the hassle of carrying and assembling,It has a good balance, easy to control the body's center of gravity, and it is safe to use. PU Roller bearing , Roller bearing capacity about 100KG, add lubricant before use to reduce friction and make it easier to slide. Anti-skid Performance: The wheel has a good grip and improves the anti-skid ability of the tire by imitating the sawtooth function of the roller. Ensure the stability and safety of the movement. Breathable & Comfortable Material: Fashion roller shoes for kids and adults, made of Microfiber material upper, EVA+rubber outsole, mesh and non-toxic synthetic. Special gift: Roller shoes is also one of the most traditional recreational sports, on weekends you can play with your friends or children or give them as a Christmas present.