Girl's Leather Ballet Slippers, Ballet Shoes. Leather Cotton lining Pre-sewn elastic strap PLEASE MEASURE the length of bare foot and compare with the size chart before ordering. Ballet slippers have their own sizing so be sure to look it up before ordering. Slipper size chart: 9 (15.5 cm from toe to heel) ,10 (16.5cm from toe to heel), 11 (17cm from toe to heel), 12 (18.5cm from toe to heel) , 13 (19.5cm from toe to heel) , 1 (20cm from toe to heel) , 1.5 (20.5cm from toe to heel) , 2 (21cm from toe to heel) , 3 (21.5cm from toe to heel) , 3.5 (22cm from toe to heel)