Tire-tin kwai gabaɗaya yana nufin kayan aikin marufi da ake amfani da su don riƙe ƙwai, ƙwan agwagi da sauran samfuran kwai.Babban aikin shine ɗaukar girgiza, sauƙaƙe jeri kwai, da sanya jigilar kwai mafi dacewa, aminci da sauri.Hakanan za'a iya raba tiren kwai na filastik zuwa tiren kwai na filastik da akwatunan kwai na PVC dangane da albarkatun da aka samar.