carpet tile

US /ˈkɑːr.pɪt ˌtaɪl/
UK /ˈkɑːr.pɪt ˌtaɪl/
"carpet tile" picture
1.

a square of carpet that can be laid on a floor alongside other such squares to form a carpet

:
We decided to use carpet tiles for the office flooring because they are easy to replace.
Installing carpet tiles can be a DIY project.