The Special Tomato Soft-Touch Floor Sitter Wedge Only instantly converts the Size 1, 2 or 3 Soft-Touch Sitter into a supported special needs seating system _ a Floor Sitter Kit. Use the Soft-Touch Sitter attachment straps to secure the Sitter to the Floor Wedge. The special needs Floor Sitter Wedge is made from Special Tomato_s soft to the touch material that has anti-microbial properties, is impermeable to fluids, is latex-free and is peel- and tear-resistant.