Rubber soleHeel measures approximately 0.5 centimeters centimetersANTI-SLIP RUBBER SOLE and LIGHT WEIGHTBoth THIN and WIDE FEET FriendlyFASHION DESIGN - Unique hollow design and High-quality materials surface.MARY JANE T STRAP STYLE ,EASY WEAR- Toddler Ballet Flats Design With Hook and Loop, Made It Easy to Put on, Take off, and Stay on.