LAP SPONGES PREWASHED LAP SPONGES NONWASHED LAP SPONGES LAP SPONGES100% cottonYarn:40s x 40s,32s x 32sMesh:20x12, 19x15,24x20,28x24,30x28Prewashed Lap SpongesProduct Code SizeSpecification31181818"x18"4P31161616"x16"4P Nonwashed Lap SpongesProduct Code SizeSpecification32181818"x18"4P-6P-8P-12P32161616"x16"4P-6P-8P-12P32121212"x12"4P-6P-8P-12P3206126"x12"4P