Umbrellas are easy to use and easy to carry wherever you need them. The gold lining means you get warn, even lighting from your strobes or flash. This umbrella reflects more light than a translucent umbrella or soft-box. 33" in diameter; Inner gold lining reflects light and makes your picture warmer; Outer black lining keeps unwanted light from being reflected into your photo; Easy to assemble/disassemble; Compact and easy to store; One year manufacturer warranty.