Virtually indestructible, smooth non-porous surface that won't harbor bacteria.

Available Sizes:

X-Small - 4.5" x 4" x 1"

Small - 5.5" x 5" x 1.25"

Medium - 6.5" x 5" x 1.5"

Large - 9" x 7" x 2.25"

X-Large - 12" x 8.5" x 3"