ðə fˈɪlmz ɹᵻflˈɛkt sˈʌnlaɪt ænd ɹˈeɪdɪˌeɪt hˈiːt æt wˈeɪvlɛŋθs ðæt pˈæs θɹuː ˈɜːθz ˈætməsfˌɪɹ, ænd kæn hæv tˈɛmpɹɪtʃɚz sˈɛvɹəl dᵻɡɹˈiːz kˈuːlɚ ðɐn sɚɹˈaʊndɪŋ mətˈɪɹiəlz ˌʌndɚ ðə sˈeɪm kəndˈɪʃənz.
The films reflect sunlight and radiate heat at wavelengths that pass through Earth's atmosphere, and can have temperatures several degrees cooler than surrounding materials under the same conditions.