Gypsy Quilter TGQ006 Sit Upon, 1 Pack, Purple Sit comfortably for hours while you quilt, sew, read, drive, craft, and more. This softly inflated, flexible disc helps to prevent fatigue and reduces pressure on the tailbone. Helps relieve lower back pain, strengthens core muscles, and improves posture. The nubby "finger" texture allows cooling air flow, and promotes improved blood flow. Durable rubberized material remains soft and pliable. Measures approximately 13" in diameter and 2" thick. Dimensions: 13.4 in. h x 13.4 in. w x 2.7 in. d Weight: 2.34 ounces. Made in CN.