This pattern is for 3 items: a heart-shaped coaster, a heart-centered mandala placemat, and a matching napkin ring.
Two colors are needed in #4, worsted weight yarn, preferably cotton or cotton blend.
To make one set (one of each item), you need Color A (for the hearts): 62 yards, Color B (for all other parts): 126 yards.
The pattern uses US stitch terminology.
The pattern is detailed with many progress pictures showing each round.