ラージサイズ

noun which may take the genitive case particle 'no'

large size; large portion

Used as a modifier for items, servings, or products that come in a larger-than-standard size. Common in menus and product descriptions.

• ラージサイズのポテトをください。

  I'll have a large-size fries, please.

• このTシャツはラージサイズしか残のこっていません。

  Only large-size T-shirts are left.