Wilmington Prints - Dry Brush Shell - 5 Karat Gems Charm Pack - 5" Squares - 42 Pcs/Pack - Cotton Fabric by the Pack 507-87-507 100% cotton fabric.  Machine wash cold, gentle cycle, no bleach, tumble dry low, fabric softener not recommended. Beautiful charm pack containing 42 pieces of precut 5" x 5" squares from the Wilmington Prints Dry Brush Shell collection.