Sponge Polyester 5-1/2"

High-density polyester will resist tearing and shredding, is extremely absorbent, will never get hard, and is not effected by most chemicals - including acids. Machine washable.No. 622796: Large size: 7-1/2" x 4-3/4" x 2-1/4", light yellowNo. 622818: Extra large size: 9-1/4" x 3-1/2" x 3", orangeNo. 622826: All-purpose size: 6-1/4" x 4" x 1-1/2", assorted colorsNo. 622834: Bath/kitchen size: 4" x 3" x 1-1/4", assorted colors