Lub tshuab hluav taws xob lub qhov muag tsis pom kev tuaj yeem thaiv txog li 90% ntawm cov teeb meem UV rays, cov menyuam yaus qhov muag tsis pom lub hnub ntxoov ntxoo kom pom kev tiv thaiv koj tsev neeg thaum txhim kho kev siv hluav taws xob. Zip screen blinds tuaj yeem ua rau cov neeg siv khoom loj: sab nraum zoov kev cai qhov rai cov menyuam ntxoov ntxoo, kev cai dav yog 20 "mus rau 94" dav thiab kev cai ntev yog 30 "mus rau 118" ntev.