1. Spring hose clips are similar with other hose clips, but are more easy and faster to apply to hoses and pipes. 3. The common package is plastic bag and carton. Can also pack as your requirements. 4. The material is stainless steel or galvanized steel. Galvanized ones are cheaper, but delivery time is longer. 5. We accept small quantity orders, like 500pcs, 1000pcs. We have stocks and deliver soon within 3-5 days. 6. Free sample for quality check.