Fast Pump to Fill & Leak Proof: Refill in seconds directly from any standard perfume bottle with the easy pump-to-fill technology. No need for a pouring funnel or injector, and it is leak-proof. Eco-Friendly Material & Surface Treatment: Features an eco-friendly glass inner container, outer aluminum shell, and copper valve. Anodized surface treatment ensures durable color that will not fade, and the copper valve prevents leaks. Convenient & Multipurpose: Ideal for travel, outdoor and indoor activities. Makes a great gift for friends, lovers, or relatives. No need to carry the whole bottle; it is compact and easy to carry. Compact & Portable: With a 5ml capacity, it can spray about 65 times when filled. Convenient to carry and store, suitable for use even on planes. Eco-Friendly Materials: Made with eco-friendly glass and an aluminum shell, combined with a copper valve to ensure durability and leak-proof performance. Anodized treatment provides long-lasting color that will not fade.