Aluminium kplu si wowɔ tso 100% gbugbɔgazã, nuɖuɖu-grade aluminum (wɔ ɖeka kple FDA/GB 4806.9 dzidzenuwo) kple GRS (Xexeame katã gbugbɔgawɔ dzidzenu) ɖaseɖigbalẽ, eɖea wɔwɔ ŋusẽ zazã dzi 95% le unit. Le esi teƒe be kplua nakpe asi ɖe plastik gbeɖuɖɔ ŋu la, exɔa ɖoɖo si wotu ŋutɔŋutɔ—wogbugbɔa kplu siwo wozãna la ƒoa ƒui eye wogadzia wo wozua yeyewo, eye woɖoa 'aŋutsrɔe zero ƒe tsatsam si ƒe lolome nye 95% kple edzivɔ la gbɔ.