NYOrtho Seat Cushion, 20 in. W x 16 in. D x 2 in. H, Gel Foam, Blue, Non inflatable, 1 Each Cane Accessories Conductive type meets National Fire Undercast Padding Conductive type meets National Fire Protection Association specifications for use with flammable agents Baseline© Fold Up Monofilament Evaluator Hand Set of 5 with Case * The Baseline© Fold Up Monofilament evaluator is used to measure cutaneous sensory perception threshold * The monofilament test provides a non invasive evaluation with objective and repeatable results * Each monofilament represents a unique amount of force which is marked by force and size * These monofilaments feature an easy to fold nylon filament for protection as well as easy storage and portability * This 5 piece hand set includes 2 Slip resistant bottom with hook and loop straps help keep cushion in place this cushion ensures posture control by distributing the pressure uniformly