●Outer Material: Synthetic fiber ●Heel Type: フラット ●Closure: プルオン ●Material: durable soft warning thread ●Size: One size fits all (sole length: approx. 4.3 inches (11 cm) ●Suitable for almost all newborns, infants and babies from 0-9 months to wear in spring and autumn ●Soft, stretchy and breathable hand knitted wool crib shoes, comfortable to wear ●Package: 1 pair x shoes