1. Selection of sun umbrella Use of silver plastic coated umbrella can play the effect of shade sunscreen, sunscreen than the sun umbrella effect although it is almost, but the price is moderate, more people easy to accept. 2. Do not choose lace umbrella, lace umbrella of course, popular good-looking, but the role of the sun is not good. 3. Choose a dark umbrella cloth can block off 95% of the UVA. In general, the best black, followed by silver, red the worst. Look at the sun ability is strong enough, you can see the shadow of the sun under the umbrella, the deeper the shadow, the lower the transmittance of sunscreen the better. 4. Umbrella surface to the larger umbrella, blocking the more parts, the more the effect can play a sunscreen. Although the weather heat intolerable, but as long as the "umbrella in hand, the world I have," the faith, you can travel to find a trace of gratification.