Akademik

sponge bag
noun
a waterproof bag for holding bathrooms items (soap and toothpaste etc.) when you are travelling
Syn: ↑toilet bag
Regions: ↑United Kingdom, ↑UK, ↑U.K., ↑Britain, ↑United Kingdom of Great Britain and Northern Ireland, ↑Great Britain
Hypernyms: ↑bag

Useful english dictionary. 2012.