Solid surface vanity sidesplash is a strip of material installed behind the bathroom vanity to protect the wall from water splashes, soap, and other moisture-related damage.Kitchen sink backsplash can also serve as a decorative feature, enhancing the overall look of the bathroom.The vanity sidesplash is usually placed behind the sink area where water might splash during use, but bathroom sidesplash can also extend across the entire wall behind the vanity for a more dramatic effect.Solid surface sidesplash for bathroom vanity often used in countertops, but also suitable for white backsplashes in kitchens and bathrooms.