Our Hemp/Cotton Daytime Inserts have 4 layers of premium natural fabric made up of 55% hemp and 45% cotton, and 1 layer of soft fleece on top to wick away moisture and keep baby's skin dry. Buttons cloth inserts snap right into our one-size diapers covers. Plus, they come in 2 sizes for your growing baby (small fits babies 9-20 lbs, large fits babies 20-35 lbs.; Small inserts: light orange stitching; Large inserts: light blue stitching.)