The usual dishwashing sponges can be made more rationally. With comparable pack sizes, Cube sponges have a larger quantity and total washing surface area when using a smaller volume of material.
5-pack usial sponge;2-pack sponge Cube
5 smooth OR corrugated sides;4 smooth AND 4 corrugated sides
5 abrasive sides;4 abrasive sides
10 washing surfaces;12 washing surfaces
9 x 6,5 x 3 cm x 5 ps. = 877,5 cm3;7,5 x 7,5 x 7,5 cm x 2 ps. = 842 cm3
9 x 6,5 cm x 10 ps. = 585 cm2;7,5 x 7,5 cm x 12 ps. = 675 cm2
