Sometimes Being a Sister is Even Better Superhero - Girl's Room Kids Baby Nursery - Decorative Vinyl Wall Decal, Quote Sticker, Lettering Art Decor, Saying Decoration This decal says 'Sometimes being a sister is even better than being a superhero' Easy to apply and can be cleanly removed without damaging your walls. Instructions are included with your order. Apply to walls, doors, windows, or any other smooth or semi-textured surface. Premium exhibition-grade vinyl films by Oracal, an industry leader in vinyl manufacturing. 100% Money-Back Guarantee! If your wall quote doesn't meet your expectations in any way, we'll happily send a replacement for free or refund the purchase price.