also: バスアメニティー
noun
bathroom amenities; toiletries provided at a hotel
Refers to complimentary personal care items such as shampoo, soap, toothbrush, and razor supplied in hotel bathrooms.
from English bath amenity
See also: アメニティグッズ
このホテルはバスアメニティが充実している。
This hotel has a good selection of bathroom amenities.
バスアメニティは無料でご利用いただけます。
You may use the bathroom amenities free of charge.
アメニティグッズ is a broader term for amenity goods in general, not limited to bathrooms.
Wasei-eigo derived from English 'bath' and 'amenity'.