Shop for Wall Decor at The Home Depot. Transform an ordinary kitchen or bathroom into a stylish space. Decorative thermoplastic backsplash panels for use in kitchens and bathrooms provide the classic look of traditional tin backsplash at a fraction of the cost. Whether you're remodeling an entire room or simply accenting a small area, these backsplash panels create an instant designer look. 18 in. x 24 in. backsplash panels are available in several styles and finishes to provide numerous combinations to meet homeowner needs. Unlike traditional tin panels that require decades to acquire an antique look, these backsplash panels have that turn-of-the-century authenticity right out of the box.