Stork S'port Maternity Belt SM MD (Fits dress sizes 4 14) Oxygen Tanks under the knee to enable Endoscopy under the knee to enable weighted ankle lifts * Visual charging always know the charging power No uncomfortable stays or hard inserts * Uses the force of gravity to promote correct posture and gently support the low back pelvis and abdomen during pregnancy * Supports under not over the abdomen to provide maximum relief with optimal safety and comfort * Does not require a stabilization strap above the abdomen * Easiest application of any maternity support: Attach the backside panels to the front abdominal pad and adjust the side pulls * Adjustable loop closure with nylon lining allows easy adjustment for an accurate fit