1.75D Pregnant mosquito nets deltamethrin or permethrin treated 2.can last 3-5 years 3.competitive price 75D Pregnant mosquito nets deltamethrin or permethrin treated Material:100% polyesterDenier:50D/75D/100DFilaments:36 filamentsMesh:156-300holes/inch 2GSM:50D: 20+/-2g/m275D: 30+/-3g/m2100D:40+/-4g/m2ColorWhite/green/blueCertificateISO9001:2000,SGSInsecticide treateddeltamethrin 20-55mg/m2 / ...