Cellulose sponge

We are trying to source sponge cloth with the following specifications
Sponge cloth size and content:

-100% cellulose.
-biodegradable and natural for parents to use with their children.
-white or "natural unbleached" colour. 
-dimensions:  approx 17 cm x 17 cm x 2-4 mm
-one very smooth surface for silkscreening a design.
-NO anti-microbial treatment

-If you can silkscreen we would like the sponge cloth silkscreened 


How much delivered to Vancouver Canada

We are trying to source sponge cloth with the following specifications
Sponge cloth size and content:
-100% cellulose.