Tray sealing film kyerɛ nneɛma bi a wɔde kyekyere nneɛma a wɔayɛ sɛ wɔde bɛyɛ nsɔano a mframa ntumi nkɔ mu wɔ tray a nnuan wom so. Wɔtaa de nneɛma te sɛ polyethylene, polypropylene, anaa nneɛma afoforo a ɛyɛ mmerɛw a ɛma akwanside ahorow a eye kyɛn so na ɛyɛ sini no. Ɛyɛ adwuma sɛ ade a ɛbɔ ho ban, na ɛmma aduan no ne nneɛma a efi akyi ba no nhyia bere a ɛma ɛyɛ foforo na ɛnyɛ hwee no.