Peel And Stick Rainbow Music Notes Stickers Decals Removable Wall Art You will get 17 they are 4" These are peel and stick and repositionable Easy to apply and remove Will stick to any smooth surface ( Not for textured surfaces) These decals will not adhere to walls painted with eco-friendly (low/no VOC) paint, paints that have a stain-blocker or mildew resistant additive in them that makes it very difficult for the vinyl to stick.