Thin strips of metalic foil can be used as decorations on a Christmas tree (it is called "lamenta"). It can be draped over the branches of a Christmas tree and looks quite nice when the lights reflect of it.
I think it's "lametta".
That would be tinsel.
Chaff. It's called chaff.
The word for the thin foil strips is "tinsel" (often used on Christmas trees). The adjective relating to materials is "tensile" (stretching strength).
Aluminum foil is a thin, pliable sheet of aluminum used for cooking, packaging, cosmetics and insulation.
A foil is a very thin sheet of metal, paper, plastic material.
Aluminum foil is made of the metal aluminum, pressed into a long, thin sheet.
The stubby J-shaped or L-shaped legs is the type of wiring has copper foil conductor strips mounted on a plastic or fiber base.
Gold foil is a very thin sheet of gold used for art and craft projects. It is so thin that it breaks if you handle it too roughly. Aluminum foil is made to seal or cover items and is thick and bendable.
The answer is foil
Kitchen foil despite sometimes being called tin foil is actually made of aluminium. Kitchen foil is simply very thin sheets of aluminium.
Thin metal foil
Shiny paper used for Christmas decorations is typically referred to as metallic or foil wrapping paper. It has a reflective, glossy finish that adds a festive and luxurious touch to presents, ornaments, and other décor items during the holiday season.