Maballin jeans ya ƙunshi maɓalli na sama (A yanki) da ƙusa na ƙasa (yankin B), kuma ana haɗa sassan biyu ta hanyar buga.Domin siffar da aka haɗe ta ɗan yi kama da kalmar Sinanci "gong", ana kiranta da "Maɓallin I-shaped", wanda aka fi sani da "maɓallin jeans". Babban kayan da ke cikin maɓallan jeans sune jan karfe, gami da zinc, ƙarfe, aluminum da sauransu.Girman maɓallan jeans sun bambanta daga masana'anta zuwa masana'anta, amma mafi yawan su ne: 16L (10MM), 18L (11.5MM), 20L, (12.5MM), 24L (15MM), 27L (17MM), 32L (20MM) .Ana amfani da maɓallan jeans a cikin yadudduka masu kauri, sun fi ƙarfimanyan maɓallan guduro,maballin ramukan filastik 4,guduro shirt button.