If I try to walk on these I slide across the floor. My first pair lasted a very long time and I used to work at home so often kept them on all day. Le rapport qualité-prix est pour moi vraiment mauvais. No se ven tan resistentes o de duro trabajo. There were no more issues and my feet felt fine. They promised me it would ship on the 17th and it did ship on the 17th. Rolling it around is super smooth and easy to do also. $40 was cheap for a fun family night and well get a few more family nights out of it. 5-9 because I?m a size 8 but due to having wide feet, I always have to get shoes that are an 8. The finding your phone feacher is a nice touch.