Midwest Design-Loom Bands Charms. Use these loom bands to make the latest fad in jewelry! Use them with a loom or a crochet hook. Rubber bands are latex and silicone free. This package contains 500 bands and twenty-five clasps. Available in a variety of vibrant colors, each sold separately. WARNING: Choking Hazard. Small parts. Not for children under three years. Imported.