Roho Planar Solid Seat Insert 18 x 18 x 3/8 Birch Plywood

Provides a solid base for use with ROHO cushioning products * Made of polyurethane coated birch plywood * Easily fits under the cushion inside the ROHO cushion cover * Eliminates the hammocking effect of sling seats * Helps prevent internal rotation of the femurs * 12 Month Limited Warranty *