Cling film, cling wrap, fcling wrap film, food wrap, plastic wrap or pliofilm yog ib zaj duab xis nyias nyias uas feem ntau siv los ntim cov khoom noj rau hauv cov thawv kom lawv tshiab nyob rau lub sijhawm ntev.Cov ntaub qhwv yas, feem ntau yog muag ntawm cov yob hauv cov thawv nrog txiav ntug, clings mus rau ntau qhov chaw du thiab tuaj yeem nyob twj ywm nruj ntawm qhov qhib ntawm lub thawv uas tsis muaj nplaum.Cov ntaub qhwv yas yog kwv yees li 0.5 txhiab ntawm ib nti (12.5 μm) tuab.
Txawm hais tias tus qauv tau tsim cov hnab yas nyias nyias, tshwj xeeb tshaj yog siv hauv tsev (yog li yuav tsum tau ncab tsawg heev), yog li tam sim no feem ntau ntawm cov npe ntawm cov txee thoob ntiaj teb yog 8mic 9mic lossis 10 mic tuab.Feem ntau siv 10 mic.