BackJoy Sit Smart

• Ethyl vinyl acetate over polypropylene
• Patented design relieves pressure, corrects posture
• Tilts hips upright, cups gluteus muscles, floats pelvis off the sitting surface
• Prevents muscles from flattening under body weight
• Moves with you
• Lightweight construction
• Convenient handle
• Use indoors and out
• 13"w x 4"h x 16"d