1,patent item,unique design 2,multi function,can be used for both skating and walking ... ODM Item No.:B2-172Item Name:Two wheel Roller shoes/roller skate/flying shoes/skate shoesMaterial:PVC upper,Mesh Fabric lining,Dacron ... wheel with plastic control buttonSize range:(Euro)30#-42# (USA)2#-8# (UK)1#-7#Age range:6-18Packing:each pair ...