C&T Publishing-Fast2cut Bonnie Hunter's Essential Triangle Tool. Quickly make half-square quarter-square flying geese and bonus triangles. Plus mark seam allowances. for quilters of all skill levels. This package contains one 7x7 inch triangle tool and one 5x1 inch buddy ruler. WARNING: This product contains chemicals known to the state of California to cause cancer birth defects or other reproductive harm. Do not mouth or chew.