These are liners which are a laminate of the aluminum foil and a Sealing film without any paper board backing

Product name: aluminum foil sealing lids for yogurt, ice cream
Aluminum lidding foils/Conduction Heal  Sealing liners

1.  Description：These are liners which are a laminate of the aluminum foil and a Sealing film without any paper board backing and are sealed to the container by direct heat pressure.

2.  Usage: Used widely in chemical,cosmetic and beverage bottle containers.

3.  Function:The primary function is to air permeability sealing, and also has the excellent property for protecting damp, leakproof and being anti-fake.
Type: Welded seal or not easy peel off conduction heat seal liner/film/foil and Clean peel or easy peel off conduction heat seal liner/film/foil
Character: It applies to various cups, bowls, jars, such as food, beverage, ice cream,  yogurt,etc. the material of container such.

Embossed Aluminum Foil lids for PP cup