Iron On Appliques - 3.5in Frog, 3.5in Fish, 3in Tree, 3in Hook -Made from Cotton Fabric & fused with Pellon 805 Under Wonder. All appliqués are easily attached with an iron. Directions are included. -Machine Washable- Wash inside out with cold water on delicate cycle and dry with no heat or line dry (according to manufacturer) -No sewing necessary, But always recommended after ironing to help appliqué last longer.