This 17"W x 27"L board does not need to be removed during an individual's toileting routine after he/she transfers to the commode. Clear-sealed, 7-ply birch wood board is 3/8" thick. The 1/2" thick, white plastic, high-density, moisture-proof board has two uniquely different sides. One side is striate-sanded for wet, bare skin transfers and the other is buff-sanded for clothing transfers. Bariatric transfer board is 1/2" thick and supports up to 650 lbs. Birch and Plastic boards supports up to 400 lbs.