This classy and elegant platinum 3.5mm wedding band features a slightly flat surface and comfort. Benchmark has been manufacturing designer wedding rings in gold, platinum and palladium for over 40 years. Made in the USA using 100% recycled materials you can feel good about choosing Benchmark wedding bands.-Fit on the inside for unforgettable comfort. Benchmark has been manufacturing designer wedding rings in gold, platinum and palladium for over 40 years. Made in the USA using 100% recycled materials you can feel good about choosing Benchmark wedding bands..