☂ SUN PROTECTION: UPF50+ oxford silver cloth fabric can keep your skin safe from 99.5% UVA/UVB rays, the clamp umbrella spans 9.6 square feet when open, the 180-degree adjustment provides maximum sun protection in any direction. ☂ VERSATILE: Can clamp on round and square surface of strollers, wagons, bleachers or golf carts up to 1.38 inches. ☂ STABLE & DURABLE: Made of 8 steel ribs with a steel pole, which provides a stable structure and strong wind resistance. ☂ LIGHTWEIGHT & PORTABLE: Weighs only 1.87 lbs., folds up compactly into a matching carrying bag. Bring the clamp umbrella with you anywhere without a burden. ☂ An optional beach-chair is not included and must be purchased separately.