Want to add variety to your reformer workout? Extend your Align-Pilates Reformer with the addition of a platform extender for an extra bit of padding for the feet when performing standing or kneeling exercises. The platform extender can also be used in conjunction with the mattress converter to convert your reformer into a complete flatbed. The fully flatbed can be used in conjunction with the Half Cadillac to add additional repertoire, or as a matwork area. A-Series Specification Dimensions: 74cm (L) x 30cm (W) x 7cm (D) Weight: 3kg Material: Ply board with anti-slip feet. Top quality EVA padding for durability and excellent memory & upholstered in abrasion resistant vinyl. C-Series Specification Dimensions: 68cm (L) x 26cm (W) x 5.5cm (D) Weight: 3.1kg Material: Ply board with anti-slip feet. Top quality EVA padding for durability and excellent memory & upholstered in abrasion resistant vinyl. M-Series Specification Dimensions: 69.5cm (L) x 29cm (W) Weight: 3.8kg Material: Made with maple wood frame and faux leather covering