Simply open or close the umbrella with the press of a button to give you quick rain and sun protection.The umbrella bone is made of alloy material, which is rigid, strong and durable, and not easy to rust when exposed to water, ensuring that the umbrella remains sturdy and durable in bad weather.It can also be used for safe escape. Made from pongee material, measuring 42.12 inches*25.19 inches/12.59 inches*2.36 inches, this custom auto-tungsten steel hammer umbrella. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: Portable, durable, practical for daily use.