buy fabric has shrunk characteristics

4. See umbrella surface fabric weaving fine or sparse. Fabric weaving obvious sparse umbrella anti-ultraviolet performance is generally poor, consumers buy cautiously. 5. Umbrella surface appropriate big shoulds not be small. Generally speaking, buy fabric has shrunk characteristics, umbrella surface appropriate sunshade is unfavorable small. Big

6. Uv umbrella is unfavorable in umbrella surface water wet conditions of use. Because of the water optical transmission role in umbrella under the condition of surface water of ultraviolet ray through rate increases, the protective effect reduced. Accordingly, cannot take it for granted that will prevent ultraviolet umbrella water soak after will enhance ultraviolet prevention effect.

7. Uv umbrella cannot fully human uv irradiation. Ultraviolet rays from every Angle radiation to human body, anti-ultraviolet radiation sunshade shade only reply from radiation to umbrella surface ultraviolet ray. The rest of the human body skin uv still need to use other skin care if sunscreen products etc. 8. As far as possible in big stores buying brand product, beware of ordinary umbrella impostors fake uv umbrella.