In addition to opening up new exercises on your Pilates reformer, the Align-Pilates Sitting Box improves the comfort of seated and prone exercises. It offers premium finishing and the best value sitting box in Europe, and it works with all brands of Pilates reformers. Features an EVA padded marine plywood box with a maple veneer for long life and great memory. Finished both inside and out to the greatest standards and covered with abrasion-resistant vinyl upholstery. It is lightweight, weighing about 9 kg, and has handles on both sides of the box for easy on/off use of your Pilates reformer. The Align-Pilates Frame Sitting Box is an additional option that you might want to take into account.