Weems & Plath’s Revolutionary Endurance Collection Offers Timeless Beauty The Endurance Collection features five remarkable benefits never before available in a brass instrument collection. Imagine purchasing a brass instrument for your home, office or boat that will never need to be touched again except to change the battery! For the first time ever, a solution has been found to the complaint every boater makes when the harsh marine environment eats away at costly instruments; corrosion and tarnish. Weems & Plath has diligently worked to resolve these problems using new technology to offer permanent solutions, while providing several other significant advancements as well: Endurance will never tarnish or corrode so it is maintenance free! Endurance is weatherproof and designed to be used indoors or outdoors.