Izi zimapangidwa ndi kraft pepala ndi Mylar. Zomwe zimatchedwanso matumba a pillow, matumba ali ndi kumbuyo, kumtunda ndi kumunsi kwa seam, kotero kuti ali ndi mawonekedwe a pilo, matumba ang'onoang'ono ang'onoang'ono omwe amagwiritsa ntchito pillow matumba kunyamula. Chikwama chosindikizira kumbuyo chimakhalanso mawonekedwe amtundu wamba wamitundu yonse yazakudya. Amawoneka owoneka bwino komanso owoneka bwino, osindikiza bwino.