TRAVEL EASE Memory Foam Seat Cushion, Butterfly-Shape Seat Cushion for Long Hours Sitting Comfort, Butt Support Pillow for Office Chair, Car Seat, Dining Chair (Smoky Gray)[Patented Butterfly Shape Seat Cushion] The shape of TravelEase seat cushion is ergonomically contoured to cradle your buttocks perfectly. The pillow is thin at the front and thick at the end, which will offer scientific support for your hips and thighs. The breathable V cutout avoids direct oppresstion from your hard chair. [Improve Your Sitting Experience] The butterfly shape and two hollowed grooves at bottom achieves redistributing your lower body