This umbrella is made of strong fiber with 16 ribs for extra support. Made of 100% high density waterproof polyester. Protect your clients with this rainbow umbrella! The rainbow color scheme is unique and attractive, bringing you a colorful rainy day enjoyment. Absolutely waterproof, more durable in high winds. Umbrellas can be printed with your image, name, logo or message! Get more people to show interest in what you can do! Measuring 31.5 inches long 39.1 inches dia, this custom windproof rainbow polyester umbrella with 16 ribs. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: Portable, durable, practical for daily use.