ガラスウールです
garasūurudesu
1. Glass wool.
Noun
#2960881
1. Glass wool.
1. glass; pane
1. wool
1. glazing; fitting with glass
2. transparency; openness
1. glass door
1. plate glass; sheet glass
1. rock wool; mineral wool
1. With glass; Of glass
1. Glass-covered; Glassy