Therafin - Theraslide Premium Transfer Board with Vertical Hand Holes is 1/2" thick in the center and tapers to 1/4" on either end. This makes it easier for the patient to slide on and off the board during transfers. It is constructed from seven-ply birch base and has three additional plies form-laminated on top. This sliding board can hold up to 450 pounds and has two vertical hand holes for stability.