Viva Sonata Rollor Skates Shoes long lasting and durable skate made from high quality nylon material, super high rebound polyurethane wheels hold up well against the normal wear and tear of skating, more flexible, non-slip, wear-resistant and also provide great traction and control. Viva Rollor Skates highly durable, economic, finely stiched, fitted with polyurethane whee.These adjustable roller skates have an easy lace system and a Velcro strap that makes adjusting the skates simple. Viva Roller Skate is best for kids,junior,children. it is best way for juniors to learn how to skating. It comes with 4 binary ball wheels, two clips under bottom of skates use those clips for size adjustment,Laces up front for firm fit, Adjustable soft belts for comfortable wearing. On every level the Viva Shoe Skates are designed to help the beginning or recreational artistic skater enjoy their time on the floor and improve their skills.