Could you arrange for more linen?
'Biancheria' — stress the fourth syllable: 'bian-che-RÌ-a'. The ending -ia is two separate sounds.
Use when you need additional or replacement towels, sheets, or pillowcases. Appropriate for longer stays when housekeeping has not refreshed supplies.
'Farmi avere' is a causative construction: 'fare' + infinitive meaning 'to have something done' or 'to arrange for'. 'Altra biancheria' means 'more linen' — 'biancheria' is a collective noun covering all bed and bath linens.
Avrei bisogno di asciugamani puliti.
I would need clean towels.
More specific, using 'asciugamani' (towels)
Potrebbe mandarmi delle lenzuola fresche?
Could you send me fresh sheets?
'Lenzuola' specifically for bed sheets
Mancano gli asciugamani in camera.
There are no towels in the room.
States the problem rather than making a request — prompts action
In Italy, many eco-friendly hotels now ask guests staying multiple nights to reuse towels. A towel on the floor signals it needs replacing; a towel folded on the rack means you will reuse it.