Riverbyland Iron On Appliques Patches Lion Assorted 10 Fabric Patches Size: 8.6x7.7 cm Use: iron on patches. The back hot melt adhesive is pro-environment and non toxic. Suggestion: sew on after iron makes patches more firmly. Suitable for clothes, hat, jacket, tote bag decoration and other scrapbook craft. Washing: gentle cycle or hand washing is best. Do not use hot water.