緩かん衝しょう材ざい

か

ん

しょ

う

ざ

い

Meanings

1

cushioning material; packaging material

Refers to materials used to protect items from impact during shipping or storage, such as bubble wrap, foam, or packing peanuts.

たくさん

入い

れ

まし

た

。

I put in a lot of cushioning material because I'm sending fragile goods.

この箱はこの中なかの緩かん衝しょう材ざいはリサイクルできますか？

Can the packaging material inside this box be recycled?

クッションN3
緩衝材 is the technical term for physical padding or packing material that absorbs shock, while クッション is used more broadly, including figuratively for softening a blow or remark.
バッファ
緩衝材 is the native Japanese term for a physical cushioning or chemical buffering substance, while バッファ is the loanword mainly used for computing memory buffers.
潤じゅん滑かつ油ゆ
緩衝材 (literally cushioning material) is used figuratively for something that softens conflict, while 潤滑油 in its figurative sense refers to a person or factor that keeps things running smoothly.

Compound of 緩衝 (kanshō, 'shock absorption') and 材 (zai, 'material').