Nsalu yopangidwa ndi ulusi wa Spunlace ndi mtundu wa nsalu yopangidwa ndi njira ya spunlace. Zipangizo zake zopangira ulusi zimachokera kuzinthu zosiyanasiyana, zomwe zingakhale ulusi wachilengedwe, ulusi wamba, ulusi wosiyanasiyana kapena ulusi wogwira ntchito kwambiri. Njirayi imagwiritsa ntchito madzi othamanga kwambiri pa ulusi umodzi kapena ingapo kuti agwirizane, motero kulimbitsa ulusi ndikuwapatsa mphamvu inayake.
Nsalu zosalukidwa za Spunlace zili ndi ubwino wambiri, monga mawonekedwe ofanana ndi nsalu zachikhalidwe kuposa zinthu zina zosalukidwa, mphamvu zambiri, kusinthasintha pang'ono, kusinthasintha kwa chinyezi, kuyamwa chinyezi mwachangu, kulowa bwino kwa mpweya, kumva kofewa m'manja, kuphimba bwino, komanso mawonekedwe osinthika, palibe chifukwa cholimbikitsira zomatira, kusambitsidwa, ndi zina zotero. Kuphatikiza apo, ingagwiritsidwenso ntchito m'magawo osiyanasiyana ogwiritsira ntchito, monga zinthu zosungiramo zinthu zosawononga chilengedwe, zinthu zachipatala, zinthu zaukhondo wapakhomo, zida zodzitetezera, ndi zina zotero.
Njira yopangira nsalu zopanda ulusi wa spunlace ndi yayitali ndipo zida zake ndi zovuta. Komabe, chifukwa cha njira yake yapadera yolumikizira ulusi komanso kusankha kwakukulu kwa zinthu zopangira ulusi, nsalu zopanda ulusi wa spunlace zimagwira ntchito bwino kwambiri mu hygroscopicity, breathability, fewa, ndi zina zotero, motero zimagwiritsidwa ntchito kwambiri m'magawo osiyanasiyana.