... "), 457 x 457 x 12mm (18" x 18" x 1/2"),400 x 400 x 12mm (16" x 16" x 1/2"), 300 x 600 x 12mm (12" x 24" x 1 ... /2"),400 x 400 x 20mm (16" x 16" x 3/4"), 300 x 600 x 20mm (12" x 24" x 3 ... bathroom vanity top,bathroom tub, bathroom shower,stone shower: shower pan, shower base,tub, tub deck,bathroom tub surround, shower surround,fiberglass, aluminum backed 3/8 ...