Yarn
Less Traveled Yarn DK (75% SW Merion, 25% Nylon) in at least two colors. 4 skeins total for medium. 6 skeins total for large (large size shown)
Hook
6.5mm (K) hook that can hold 30 stitches
Size
Two sizes, medium (14"x65") and large (20"x65").
Design is a collaboration with Less Traveled Yarn and uses DK in Karma and The Diplomat (3 skeins each).