Art + Craft Supplies Natural Grass Sponge PreviousSimply Simmons Watercolor Brushes NextCanvas Panel 10"x10" Natural Grass Sponge Natural Grass Sponge $3.50 This versatile natural sea sponge is great for watercolor washes, stretching, textures, and more. Quantity: Add To Cart Facebook0 Twitter LinkedIn0 Reddit Tumblr Pinterest0 You Might Also Like Sandpaper Lead Pointer $3.00 Bicycle Ride Embroidery Kit $9.50 Indigo Tie Dye Kit $18.50 Visible Mending Kit $35.00 M. Graham Basic Watercolor Set $60.00