Smart Knee Pillow - Adjustable - Leg Pillow for Side Sleepers - Includes attachable leg pillow wedge for Back Hip and Knee Relief SMART CUSTOM FIT : ADD or REMOVE BOTTOM CUSHION provides additional support for those that need a little extra padding NATURAL ALIGNMENT: Maintains the proper alignment of the spine and reduces torsion of the hips and pressure on the knees so you can rest comfortably all night PATENTED WRAP AROUND DESIGN: Leg Pillow for side sleepers hugs your knee and thigh in soft cloud like comfort designed to move with you through the night BONUS!!: Training support belt provides greater adhesion for those individuals that are a little more active during the night 100% SATISFACTION GUARANTEE!! If you're not completely satisfied simply return it for a full refund no questions asked! Return request must be made within 30 days of receipt of goods.