Children's vintage stirrup leggings (slacks).  White with blue and turquoise butterfly side panels.  Made in Britain in the 1970s or 1980s by Windsor Woollies, but never used.  Elasticated waist.  Elastic "stirrups" under the feet.
Unlined.  Machine washable Courtelle.  
Size:  Age 6....height up to 45" (116 cm)......length (waist to ankle)  25"......waist measurement 22" unstretched, 26" fully stretched.

Condition:  Vintage garment, new but SHOP SOILED.  Unsold shop stock, made around the 1970s or 1980s.  These clothes have been properly stored in the shop, and are in good condition, as you can see, but there is noticeable fading/yellowing.  This may come out in the wash, but this cannot be guaranteed.  As the leggings are nearly half a century old, they will need to be washed before use to remove any storage marks, and handled carefully.