From Andover Fabric's designer, Alison Glass, it's Mariner Cloth! A quilting cotton with a slightly thicker, looser weave, also great for garments and pillows!
Sold in 1/2 yard increments:
Qty 1 = 1/2 yard
Qty 2 = 1 yard
Qty 3 = 1 1/2 yards etc....