Cooking Concepts Foil Backsplash Wall Sticker Decal HAPPINESS NIP! The Cooking Concepts Foil Backsplash Wall Sticker Decal is a colorful and eye-catching addition to any kitchen. Measuring 17.7" x 29.5", this rectangle-shaped sticker features a place that brings them happiness. Made of foil, it is easy to clean and removable, making it ideal for adding a touch of word art to your space without harming your walls.