Shop for Countertops & Backsplashes 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.