Lub hnab ntim khoom siv yog lub hnab nqa tau siv los khaws cov khoom siv hauv tsev, khoom siv tu tus kheej, thiab cov khoom siv mus ncig; nws tseem hu ua lub hnab da dej, lub hnab da dej, lossis lub hnab da dej. Originating hauv chaw da dej, tam sim no tau nthuav dav mus rau hauv cov cuab yeej khaws cia txhua hnub rau kev mus ncig ua lag luam, mus ncig, thiab lwm yam xwm txheej. Nyob rau sab qaum teb Tuam Tshoj, nws feem ntau hu ua "pob da dej," thaum nyob rau sab qab teb Tuam Tshoj, nws feem ntau hu ua "lub hnab ntim quav." Cov ntaub ntawv muaj xws li PVC yas, tawv, mesh, thiab imitation linen. PVC yog lub teeb yuag thiab pheej yig, mesh yog breathable thiab ya raws - pov thawj, thiab imitation linen tuaj yeem txhawb nqa txog li 15 kg.
Nws lub luag haujlwm tseem ceeb yog categorized cia, integrating tu cov khoom siv xws li txhuam hniav, tshuaj ntxuav lub ntsej muag, thiab cov fwj dej khov, nrog rau cov khoom siv mus txawv tebchaws xws li yoov tshaj cum tshuaj tiv thaiv kab mob thiab cov khoom siv txawb. Qee cov qauv suav nrog ua- hauv cov phuam qhwv ntsej muag thiab cov hauv ncoo hauv ncoo. Cov qauv tsim niaj hnub no suav nrog cov nylon tsis muaj dej, ntub thiab qhuav sib cais, thiab tuav, ntsuas dej tsis kam thiab yooj yim. Lub peev xwm tuaj yeem nthuav dav los tuav ntau lub fwj tshuaj pleev thiab moisturizer ib txhij.