These are sampler packs of Dresden pre-cut paper shapes for paper piecing available in:

Small:  24 Dresden petals with three 1-1/8" circles to make 3 mini Dresden plates (approx. 3" diameter) to fit on a 4" square block.
Medium:  16 Dresden petals with two 1-3/8" circles to make 2 medium Dresden plates (approx. 5-3/4" diameter) to fit on an 8" square block.
Large:  16 Dresden petals with a 2" circle to make one Dresden plate (approx. 10" diameter) to fit on a 12" - 14" block.