スポンジラバーでしょう
suponjirabādeshō
1. Probably sponge rubber.; Likely a sponge rubber.
Noun
1. Probably sponge rubber.; Likely a sponge rubber.
1. sponge
1. vulcanized rubber; vulcanised rubber
1. sponge cake
1. rubber
1. it seems; I think
2. right?; don't you agree?
1. Of sponge; Sponge-like
1. If sponge; When sponge
1. Not a sponge.
1. It's not a sponge.; I'm not a sponge.