size and weight: 37.8 in when expanded and 11 in when collapsed, 10.3 oz, small size and lightweight allows easy carrying design: perfect for one handed operation, simply open the umbrella with a press of a button within one second material: super strong waterproof function of nanomaterials and the framework is made of aluminum bone and glass fiber, light and firm features: unique custom pattern, lightweight and portable,this is a strong sturdy attractive umbrella function: give you quick rain and sun protection, perfect for anyone and we hope our charming umbrella can accompany you for a long time