Use "sponge rubber" in a sentence

1. WHEN American tanks first reached North Africa the British Tommies nicknamed them "Becushioned buggies" because of their linings of sponge rubber

2. Related to Cushioning: Cushioning effect carpet underlayment A padding material, laid directly on the floor, over which carpet is installed; usually manufactured of hair felt, foam rubber, hair felt and jute, sponge rubber, or some other combination of these materials.